ISSN 2689-8268 Volume 3
American Journal of Surgery and Clinical Case Reports
Research Article
Open Access
Least Square Analysis of Variance for the Assessment of Natural Consequences for
Birth Weight, Weaning Weight, Yearling Weight, Pre-Weaning Daily Weight Acquire,
and Greasy Fleece Weight of Kajli Sheep in Pakistan
Farmanullah1,6*, Momen Khan2, Mohammad Salim3, Seyed Mahdi Hosseini1, Sajid Ali4, Inayat Ur Rehman5
1
Faculty of Veterinary and Animal Sciences, National Center for Livestock Breeding Genetics And Genomics LUAWMS, Pakistan
2
Directorate General (Extension) Livestock and Dairy Development Department, Bacha Khan Chowk, Peshawar, Khyber Pakhtunkhwa,
Pakistan
3
Department of Forestry and Wildlife Management, University of Haripur, Khyber Pakhtunkhwa, Pakistan
4
Departments of Horticulture, University of Haripur, Khyber Pakhtunkhwa, Pakistan
5
School of Marxism, China University of Geo Sciences (Wuhan), Hongshan District Region Wuhan, P.R.China
6
Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal
Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, Peoples Republic of China
*
Corresponding author:
Farmanullah,
Faculty of Veterinary and Animal Sciences,
National Center for Livestock Breeding
Genetics And Genomics LUAWMS, Pakistan,
Tel: 92313-0342-0333-9231209;
E-mail: farman.vas@luawms.edu.pk;
farman_aup@yahoo.com
Received: 21 Sep 2021
Accepted: 12 Oct 2021
Published: 17 Oct 2021
Keywords:
Traits; Variation; Kajli sheep; Environmental
factors; Pakistan
1. Abstract
The current study was completed to analyze the effect of natural components on various improvement affecting traits of Kajli
sheep in Pakistan. For this reason, we apply two huge contemporary datasets in sheep to explore factors that influence the traits.
Therefore, the generation information record of 13715 Kajli sheep
lambing accumulated from 1994 to 2010 at Livestock Experimental Stations Khushab and Khizarabad, Punjab. Information records
were genuinely analyzed through utilizing PC modified Mixed
Model Harvey's Least Squares and Maximum Likelihood. The two
farms information data was analyzed by utilizing an animal model
program. The factual model was incorporated to evaluate the Birth
Weight (BW), 120 days at Weaning Weight (WW), Pre-Weaning Average Daily Gain (PRADG), Yearling Weight (YW) and
Greasy Fleece Weight (GFW). Year of Birth (YOB), Birth Season
(BS), Birth Types (BT) and sex was the fix effect in the model.
Results indicated that, the overall general values for birth weight,
weaning weight, yearling weight, pre-weaning weight and fleece
Copyright:
©2021 Farmanullah. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and build upon your work non-commercially.
Citation:
Farmanullah. Least Square Analysis of Variance for the
Assessment of Natural Consequences for Birth Weight,
Weaning Weight, Yearling Weight, Pre-Weaning Daily Weight Acquire, and Greasy Fleece Weight of Kajli
Sheep in Pakistan. Ame J Surg Clin Case Rep.
2021; 3(15): 1-9
weight were noted. Year of birth, type of birth, sex, and herd was
influenced altogether significantly while, birth weight and greasy
fleece weight, the period of birth showed no essential difference.
In weaning weight and pre-weaning increment normally, year of
birth, sort of birth and herd showed a critical contact except for
sex. Male sheep were heavier than female sheep and single conceived sheep were also basically heavier than twins were during
offspring birth. Results emulate that the Kajli sheep breed can be
improved on through selection and further developed management. The cascade type of influence of the current investigation
has levelheaded ramification not just for sheep farming by and
by just as for intensified associate of boundaries which definitely
convince deviation of weight, weight has become itself essential
forecaster of in a matter of seconds wellness results. These outcomes displayed there are complex associations among hereditary
qualities and ecological elements of parental, placental and fetal
beginning. These are profoundly affected traits by maternal sustenance, genes, be concerned, the executive, environment, occasional diversity of seasons.
Volume 3 | Issue 15
ajsccr.org
2. Introduction
Small ruminants in spite of the fact that are significant wellspring
of animal creation in agricultural nations like Pakistan appear to
have little consideration from veterinary consideration and production improvement. They are the primary stockpile of meat
fleece and are utilized in formal merriment all through the nation,
giving significant exchange. They are additionally a wellspring
of compost; Pakistan has in excess of 109 million heads of small
ruminants having 30.9 million sheep and 78.2 millions goats individually, [1]. Twenty eight breeds of sheep have been reported
in Pakistan including Northern region, Azad Jammu and Kashmir
(Hasnain, 1985) [2]. Sheep breeds of Punjab are Lohi (Parkanni or
Lamocher), Kajli, Thalli, Salt Range, Sipli, Buchi (Bahawalpuri)
and Cholistani. Small ruminants add by and large to the economy
of poor farmers. At the point when blended farming is polished,
sheep farming a compelling correlative part of a blended farming
framework. Nonetheless, disregarding their significance to Pakistan's economy, sheep and goat got inadequate consideration and
helpless help. Hence the crude person of sheep and goat rising is
as yet a typical element. Kajli is renowned because of its succulent
sheep quality and the males are consequently swelled particularly
available to be purchased as conciliatory animals. Kajli sheep is
one of the local breed and is found in the flooded spaces of focal Punjab (Districts of Sargodha, Khushab, Gujrat, Mandi Bahaud-Din, and Mianwali). Kajli sheep is for the most part raised for
lamb, fleece and every so often for milk production. Wide variety
exists in different creation and propagation characteristics of Kajli sheep which demonstrates an incredible breadth of progress in
these attributes of financial significance. The beneficial and conceptive characteristics are influenced by genotype just as climate.
Already, a couple of studies have been coordinated on Kajli sheep
yet climatic and occasional differences from one year to another
effect the production of whole flock. Regardless, the exhibit characteristics are moreover affected by climate. Among these biological components, environment and occasional differences among
different years impact the production of the whole flock, while
sex, sort of birth, age and weight impact the singular execution.
The breed is local of Sargodha, Khushab, fraction of Mianwali and
Gujrat region in Punjab. The animals are huge leggy having white
body coat. They have huge head with an ordinary roman nose having dark circles around the eyes, (Hasnain, 1985) [2]. The productive and reproductive attribute are affected by climate just as
genotype. The hereditary relationships additionally give the data
that genes influencing one attribute likewise influence different
characteristics; the viability of determination and net hereditary
advancement can be estimated when selection is made for more
than one attribute. Very little data on the hereditary parts of production and reproduction performance of Kajli sheep in Pakistan
was accessible, hence the current study, has been plan ready for
investigation of different performance attribute of financial sig-
2
nificance of this breed. The qualities of monetary significance in
sheep incorporate birth weight, weaning weight, yearling weight
and fleece weight. These characteristics are influenced by a few
hereditary and natural elements viz. sex of sheep, type of birth,
climatic and occasional variation during various years. Among
these variables, climatic and seasonal variation from one year to
another year, influence animal of entire flock, while, sex of sheep,
kind of birth and age influence performance of an indivual. It is in
this way, vital for estimate the degree of this load of components
with the goal that the hereditary variety among animals can be
utilized to configuration reproducing plans for additional improvement. Keeping in view these realities, the current study has been
planned with the accompanying goals: To assess the performance
of Kajli sheep, and to decide the impact of natural elements on different performance traits in Kajli sheep. I have effectively already
published portion of the concerned information of the kajli sheep
performance. The goal of this investigation was to assess the exhibition of a thoroughbred run of Kajli sheep kept up with at Livestock Experimental Station Khushab and Livestock Experimental Station Khizrabad (Sargodha). Information and date records
on performance traits as Birth weight, Weaning weight, Yearling
weight and Greasy wool weight from 1994 to 2010 were gathered,
an effort was made to investigate the impact of all ecological and
non hereditary components on the performance of animals. For
this purpose LSMLMW PC program was utilized (Figure 1).
3. Materials and Methods
Source of data, background and location of the farm
Pedigree, Family and performance information of Kajli sheep kept
up with at Livestock Experimental Station, Khushab (LES) and
Livestock Experiment Station (LES) Khizarabad, locale Sargodha
during 1994 to 2010 were used in the current research project.
These two farms are arranged in the focal Punjab around 80 kilometers separated. The Livestock Experiment Station Khizarabad
was initially begun as a land award farm under the arrangement of
colonization of Government Lands (Punjab) Act of 1912. The state
of the rent was to keep up with various types of buffalo, cattle and
Kajli sheep. The principle objective of the homestead was to save,
conserve and to further develop the production capability of the
existing breed nearby.
It was likewise pointed toward delivering pedigreed bulls for the
improvement of neighborhood breeds of domesticated animals.
During 1976, the homestead was taken over by the Government
of Punjab. The Livestock Experiment Station Khushab was set up
during 1976 and some buffalo and Kajli sheep were moved from
Khizerabad. The region is waterway flooded and environment is
somewhat dry and rains generally happen during the long stretch
of July to September. During late spring months, day temperature
might go as high as 50 0C and during winter night temperature
might fall up to – 40C.
Volume 3 | Issue 15
ajsccr.org
3
Figure 1: Kajli Sheep breed of different ages and sex at various locations of Khushab and Khizarabad
3.1. Selection of Breeding Stock
The reproducing ewes have been chosen from and among the
homestead created female stock principally based on conformity
and breed attributes and some weightage was additionally given
to development qualities, body size and fleece production. The
choice of the males was, nonetheless, at first dependent on family
data and performance records. For the most part, the ewes were
bred once per year in autumn time season and lambs got during
spring season. Nonetheless, in certain years two times every year
breeding of the ewes was practiced however later on it was ceased
for oversee mange mental reasons. The ewes which were not bred
during fall season were mated in the resulting spring season to
lamb during the autumn time season. The animals were uncovered double a year i.e., spring and pre-winter. The rams utilized
in breeding were generally farm created yet outside acquaintance
had additionally been finished with give hereditary heterogeneity
to decrease the inbreeding. Regularly 10-15 rams for every season
were chosen and utilized for breeding purpose. Significant push in
generally reproducing plan had been the improvement of meat creation and a little consideration had been paid to fleece attributes.
3.2. General Management and Feeding Practices
The animals were kept up with in open walled in areas consistently. The grown-up animals were kept in open barn with satisfactory
covered region to give shade and safe house during unforgiving
climate. All animals were sent out for grazing from 8:00am to 5:00
pm in the late spring and spring season however in the colder time
of year season with little alteration in the brushing plan from 9:00
am to 4:30 pm. The feeding taking care of the animals was predominantly through brushing and grazing of accessible occasional
grain and forages yet concentrates were enhanced during shortage
period and in breeding seasons for flushing. Young herd for example lambs were for the most part kept in entryway. They were
permitted to nurse their dams openly from evening through night
till ewes were taken out for grazing in the first part of the day. The
lambs were offered green fodder and enhanced concentrates from
10-15 days old enough. Every one of the lamb were totally weaned
on fixed date and moved to isolate pen for post weaning rising. The
animals were immunized against Enterotoxaemia, Foot and Mouth
sickness, Sheep Fox, Pleuro Pneumonia and Hemorrhagic Septicemia. The composition of feed differed by the feed crops accessible
during the year. Green jowar (Andropogon sorghum), maize (Zea
Mays).and guara (Cyamposis psoraliodes) were fed during the
long periods of May to October. During November to April, green
berseem, (trifolium alexandrium), oats (Avena sativa), and mixture
of rape (Brasica napus) were principally given to these animals.
Dry straws contained guara (Cyamposis psoraliodes), gram and
wheat (Triticum species). The concentrate blend was made out of
squashed oats (Avena sativa), wheat grain and oil seed cakes (cotton-seed, rapeseed, and so on) Pieces of normal salt (sodium chloride) were likewise given in the mangers to free decision licking.
Water was provided 24 hours in the outbuildings. These feeding
practices stayed uniform all through the study period aside from a
couple of changes, as and when required. By and large the animals
were shorn double a year i.e., in spring and autumn seasons. The
lamb brought into the world in spring was first shorn in fall season
as well as the other way around. From there on, the shearing of
every animal was done after at regular intervals.
3.3. Description of Data Set and Statistical Analysis
Pedigree and performance information of Kajli sheep kept up
with at Livestock Experimental Station, Khushab and Khizarabad
Volume 3 | Issue 15
ajsccr.org
4
(Sargodha) gathered during 1994 to 2010 were utilized in present
research project. Data on after lines was gathered, Individual Identity, Ram, Dam, Date of birth, Date of lambing, Sex of sheep, Type
of birth, Birth weight, Weaning weight, Yearling weight, Greasy
wool weight (Autumn and Spring). The performance characteristics analyzed in the current investigation included: Birth Weight,
Weaning weight, Yearling weight, Pre-weaning weight acquire,
Greasy fleece wool weight. Information on different performance
traits was indisputably examined to magnitude the extent of different non-hereditary sources of variety in these characteristics.
Before information investigations a few alters were performed to
eliminate the anomaly. Just typical and complete normal records
were considered for analysis. For data entry information passage
MS-Excel accounting spreadsheet were utilized.
3.4. Evaluation of Environmental Effects
Information and data on different performance characteristics were
analyzed to assess the impact of different natural/environmental
elements (Non-hereditary source of variety) like year and period of
birth/lambing, sex of sheep conceived, age of dam, kind of birth,
weaning age and so forth on birth weight, weaning weight, yearling weight, fleece yield, as fitting, on different execution were
evaluated. Sheep is normally considered as occasional breeder
Kajli sheep for the most part displays estrous during two seasons'
autumn time and spring. Due to managemental comfort they are
bred during autumn time season. In any case, some extent of populace likewise shows estrous round the year. The extended time of
birth or lambing was partitioned into following two seasons and
the meaning of period of birth/lambing was as per the following:
spring (January to June) and autumn (July to December).
The mathematical model assumed was:
Yij = µ + Fi + eij
(Model)
Where,
that
Yij =
measurement of particular trait
µ=
population mean
Fi =
∑Fi = 0
the effect of all fixed effects with the restriction
eij =
the random error associated with each observa-
tion.
The Harvey’s Least Squares Maximum Likelihood Mixed Model
(LSMLMW) computer software was used for all these analysis.
(Harvey, 2000) [3].
4. Results and Discussion
Information on 13715 lambing and performance records of sheep
kept at Livestock Experiment Station Khushab and Khizerabad,
region Sargodha (Pakistan) spread over a time of a long time from
1994 to 2010 were utilized in the current investigation. An effort
was made to assess the size of different environmental/natural
source of variety in various useful characteristics of financial significance.
4.1. Birth Type and Sex
The level of single conceived sheep in the herd was exceptionally
high around 84%. The twining rate in the group was 15.73 percent.
The sex proportion was practically 49:51 males and females.
4.2. Phenotypic Performance
The unadjusted mean±SD, least squares mean±SE, and coefficient
of variation for various performance characteristics as gotten in
the current study are introduced in (Table1).
Table 1: Mean values for some performance traits in sheep
Traits
No.
Un adjusted mean± S.D
Mean ± S.E
C.V.%
Birth weight (kg)
13715
4.32±0.76
4.13±0.010
13.24
Weaning weight(kg)
9331
19.42±3.52
18.70±0.08
17.08
Yearling weight(kg)
6121
36.43±2.74
37.52±0.06
06.03
Pre weaning daily gain(gms)
9331
148.82±39.37
142.34±0.83
23.0 3
Spring greasy fleece weight (kg)
9031
0.98±0.22
1.32±0.00
18.90
Autumn greasy fleece weight (kg)
9031
0.98±0.22
1.32±0.00
18.89
4.3. Environmental/Natural Factors Affecting Performance
Traits
The impact of different natural elements on various performance
characteristics of sheep was concentrated by least square investigation of fluctuation utilizing Harvey's Mixed Model Least Square
and Maximum Likelihood (LSMLMW) Computer Program (Harvey 2000) [3]. The outcomes got for every quality are introduced
in the accompanying passages.
4.4. Birth weight
The investigation of fluctuation to assess the impact of year of
birth, period of birth, sex, kind of birth is given in (Table 2).
The least squares means and standard errors for birth weight of
sheep during various years and periods of birth and other fixed
impacts have been given in (Table 2). The distinction at all squares
means in birth weight has been found for both the groups viz; Khizerabad and Khushab. The Khushab herd showed higher least
squares means in birth weight than Khizerabad.
Volume 3 | Issue 15
ajsccr.org
5
Table 2: Least squares analysis of variance to find out the environmental
effects on birth weight
Table 4: Least squares analysis of variance to find out the environmental
effects on Yearling Weight
SOV
D.F
S. Square M. Square F, R atio Prob
Year of Birth
16
325.82
20.36
62.15
0.00
Season of Birth
1
0.12
0.12
0.37
0.54
Sex
1
637.92
637.92
1946.72
0.00
Type of Birth
1
1543.49
1543.49
4710.23
0.00
Sex *Type of Birth 1
2.93
2.93
8.93
0.00
Flock
1
103.66
103.66
316.34
0.00
Remainder
13693
4487.04
0.33
Total
13715
7886.68
SOV
Year of birth
Season of birth
Sex
Type of birth
Flock
Regressions
Weaning age
Birth Weight
Weaning weight
Remainder
Total
D.F
15
1
1
1
1
S.Square
4443.09
77.88
8895.97
1.25
3.08
M.Square
296.20
77.88
8895.97
1.25
3.08
F.Ratio
61.47
16.16
1846.36
0.261
0.63
Prob
0.00
0.00
0.00
0.60
0.42
1
1
1
6098
6120
3.57
2.41
1220.46
29360.74
46270.67
3.57
2.41
1220.46
4.81
0.74
0.50
253.30
0.38
0.47
0.00
4.5. Weaning Weight
4.7. Pre-Weaning average Daily Gain
Assessment of variation uncovered critical impact of year, kind of
birth, age of the dam, group and period of birth on weaning weight.
Be that as it may, the distinction because of sex was not significant
(Table 3).
The analysis of variance uncovered that year and period of birth
and birth type showed significant impact on pre-weaning normal
day by day acquire while sex had non-significant impact on the
characteristic (Table 5). The regression of weaning weight and
birth weight on pre-weaning normal every day acquire were significant.
The distinction at all squares means in weaning weight has been
found for both the flocks, viz, Khizerabad and Khushab. The Khizerabad herd showed higher least squares implies in weaning
weight than Khushab ranch.
Table 3: Least squares analysis of variance to predict the environmental
effects on Weaning Weight
SOV
D.F.
S.Square
M.Square
F.Ratio
Prob
Year of birth
15
7249.73
483.31
43.91
0.00
Season of birth
1
6462.34
6462.34
587.14
0.00
Sex
1
0.04
0.04
0.00
0.94
Type of birth
1
102.86
102.86
9.34
0.00
Flock
1
137.37
137.37
12.48
0.00
Regressions
Table 5: Least squares analysis of variance for the evaluation of environmental effects on Pre weaning daily weight gain
SOV
D.F.
S.Square
M.Square
F.Ratio
Prob
Year of birth
15
628619.74
41907.98
35.67
0.00
Season of birth 1
510142.89
510142.89
434.20
0.00
Sex
1
67.01
67.01
0.05
0.81
Type of birth
1
4722.13
4722.13
4.01
0.04
Flock
1
13556.66
13556.66
11.53
0.00
Weaning age
1
2016721.79
2016721.79 1716.52 0.00
250713.31
Regressions
Weaning age
1
141.02
141.02
12.81
0.00
Birth Weight
1
250713.31
Birth Weight
1
3.33
3.33
0.30
0.58
Remainder
9309
10937023.57 1174.88
Remainder
9309
102459.32
11.00
Total
9330
14465010.74
Total
9330
116239.71
213.39
0.00
5. Discussion
4.6. Yearling Weight
In general yearling weight variation in body weight because of
year, period of birth and sex were Huge. Though, impact of herd
and kind of birth were show, non significant. Weaning age of the
sheep and birth weight had a non huge impact on yearling weight
though weaning weight of the lamb’s had significant consequence
and affected the trait under discussion in (Table 4).
The distinction at all squares means in yearling weight has been
found for both the herds viz; Khizerabad and Khushab. The Khushab group showed higher least squares means in yearling weight
than Khizerabad.
5.1. Birth Type and Sex Ratio
The level of single conceived sheep in the flocks was extremely high and was around 84%. The twining rate in the flock was
16%. The sex proportion was just about 49: 51 males and females.
The level of birth type and sex proportion ratio in various breeds
reported by Akhtar (1996) [4] as twinning rate in the Hissardale
sheep flock was 19% and sex proportion was 52.5: 47.5 males and
females, individually which was in concurrence with the current
study. The slight contrast was because of the breed and furthermore might be expected to the managemental contrasts.
Volume 3 | Issue 15
ajsccr.org
5.2. Phenotypic Performance
The birth weight of Kajli sheep in the current study found the mean
value of 4.16±0.01 kg and it was in concurrence with numerous
scientists who announced birth weight in various types of sheep
kept up with in various natural conditions (Qureshi et al 2010;
Hussain et al., 2006) [5, 2]. The normal birth weight in Kajli sheep
announced by Qureshi et al (2010) was 3.8 and 4.1 kg at Khushab
and Khizarabad (Pakistan). Dixit et al., (2001) [2] announced normal sheep weight as 3.1±0.03 kg in Bharat Merino in India. Akhtar
et al., (2001) [7] had announced sheep weight as 4.0±0.51 kg in
Hissardale sheep kept at LES Jahangirabad. Babar et al., (2004)
[8] reported least squares mean for birth weight as 3.59±0.02 kg
in Lohi sheep though, Hussain et al., (2006) [2] reported the average weight at entering the world as 4.11±0.82 kg in Thalli sheep
kept at LES Rakh Ghulaman. These scientists have reported the
low birth weight than the discoveries of the current investigation.
These distinctions might be because of contrast in breeds, areas,
size of informational index or other managemental rehearses. The
average weaning weight of sheep as gotten in the current investigation was 18.70±0.08 kg. The weaning weight of Kajli in the
current study was higher than many breeds of sheep (Bharat Merino, Muzaffarnagri) as reported by Dixit et al., 2001. Sinha et al.
(1997) [9] announced that the weaning weight of Muzaffarnagri
sheep was 16.82±0.37 kg. Dixit et al. (2001) [6] announced the average sheep weight were 15.0±0.2 kg at weaning in Bharat Merino. Notwithstanding, some various scientists (Babar 1994; Akhtar
1996; Qureshi et al 2010)[8, 4, 5] revealed higher weaning weight
when contrasted with the weaning weight of reported in the current study. Babar (1994) [10] revealed that weaning weight in Lohi
sheep arrived at the midpoint of 23.09±0.13 kg. Akhtar (1996) [4]
reported that the weaning weight of Hissardale sheep reached at
the midpoint of 20.1±3.86 kg. The yearling weight of Kajli as
study in the current investigation was 37.52±0.06 kg. The yearling
weight detailed by Akhtar (1996) [4] was 30.7±3.83 kg which was
not exactly the yearling weight investigated in the current study.
Pre-weaning average every day weight acquire as researched in
the current investigation was 142.34±0.83 gm. Akhtar (1996) [4]
reported 135±0.04 gm pre-weaning average every day weight in
Hissardale sheep. Dixit et al. (2001) [6] reported pre- weaning average every day weight acquires as 133±1.6 gm in Bharat Merino.
Hussain (2006) [2] announced pre-weaning normal day by day
weight acquires in Thalli sheep was 0.12±0.04 kg which was lower
than the discoveries of the current research report.
5.3. Environmental Factors Affecting Performance Traits of Kajli
Sheep
Birth Weight
Birth weight fluctuates altogether because of year, seasons, sex of
sheep conceived, sort of birth, age of the dam and flock/group. The
significant impact of year, seasons, and sex of sheep conceived,
6
and kind of birth and time of dam on birth weight as gotten in
the current research project was in concurrence with numerous
specialists (Hussain et al., 2006; Ali et al., 2006) [2, 11]. Dixit
et al. (2001) [6] reported that year and period of lambing, sex
of lamb, kind of birth, and time of dam were huge wellsprings
and significant of variety for lamb birth weight in Bharat Merino
sheep. Akhtar et al. (2001) [7] announced that the birth weight in
Hissardale was essentially influenced by year, season, and kind of
birth, sex and age of the dam. Babar et al. (2004) [8] meticulous
that the traits was essentially impacted continuously and period of
birth, sort of birth and sex of sheep conceived. The period of dam
additionally has huge impact on birth weight of sheep. Hussain et
al. (2006) [2] exposed the analysis of difference showed impact of
year of birth, sex, kind of birth and impact old enough of dam on
birth weight was huge. Nonetheless, the discoveries of Qureshi et
al (2010) [5] were in fractional concurrence with the current investigation. Qureshi (1996) [12] revealed birth weight of sheep at
Khushab and Khizarabad in Kajli sheep, which was essentially impacted by station, year of birth, age of the ewe, sex and birth type.
Anyway the impact of season on birth weight was non-significant.
The variation of birth weight in sheep at various years reflects the
degree of the executive, some ecological impacts like, temperature
and moistness just as the accessibility of feed. It has been commented that the degree of the executive will undoubtedly change
as indicated by the capacity of the herd supervisor, his arrangement of yield cultivation, techniques and power of separating and
his productivity in the management of homestead works just as
accessibility of monetary assets (Akhtar 1996). The administration
of homestead probably been changed often and its belongings are
reflected in the exhibition attributes throughout the long term. The
birth weight of lambs additionally differed with sex and kind of
birth. Single conceived sheep are heavier than the numerous conceived sheep as they have better open doors in the uterus of their
dams when contrast with various conceived sheep. Additionally,
the male lamb were heavier upon entering the world as the gestation time of male are somewhat more when contrast with females
(Babar 1994) [10]. Gbangboche et al. (2006) [13] announced that
a linear model including the decent impact of birth season, birth
year, and number of ewe and sex of lamb was utilized for analysis
of variation by least squares. Sheep brought into the world in the
dry season were the heaviest. Single lamb and male lamb were
heavier than twins and females. Lambs from ewes of third and
fourth parity were heavier. Various reports in writing demonstrated
that solitary conceived sheep just as the male lamb were heavier
than different births and females. As in the current examination
the birth weight of male is heavier than female, also the single
conceived have heavier birth weight than twin. The period of dam
likewise significantly affected birth weight of sheep. Youngest and
extremely old ewes would in general deliver lighter lamb when
contrasted with ewes somewhere in the range of 3 and 6 years old.
Volume 3 | Issue 15
ajsccr.org
More birth weight of lamb from mature ewes might be credited
to the huge size of the uterus with the progression old enough of
the ewe. The adult ewes subsequent to accomplishing full development and improvement could save a portion of the energies for
better sustenance of lamb in the uterus. In any case, extremely old
ewes because of their teeth could maybe not use the feed appropriately bringing about the lamb of less weight. All around chose and
appropriately took care of ewes generally created substantial lamb
upon entering the world. The most extreme lambing were accounted for in spring season while least were accounted for in harvest
time and just a little were accounted for in slow times of year. This
shows the irregularity of reproducing in Lohi sheep under Pakistan
climatic conditions. The birth weight shifted essentially because
of period of birth. The most extreme number of lambing occurred
in winter season. The birth weight of spring conceived sheep was
heavier than winter conceived sheep. Heavier load of lamb upon
entering the world during spring season might be because of season only before lambing (in spring season), plentiful amount of
good quality feed (Berseem and Lucern) was accessible to the
ewes and it would be advised to impact on the strength of ewe and
its offspring bringing about higher weight of lamb upon entering
the world. Likewise shortage of good quality grain in pre-winter
season might have some unfriendly impacts on broad wellbeing of
the ewes bringing about higher birth weight of lamb brought into
the world during winter season.
5.4. Weaning Weight
Analysis of variance uncovered that time of birth and period of
birth had huge impact on weaning weight and there was a non-significant impact in sex of lamb. Sort of birth, group and time of
dam had huge impact on the characteristic. The discoveries of numerous analysts were in halfway concurrence with the current investigation. Qureshi et al (2010) [5] study revealed huge contrasts
because of year and period of birth, time of ewe, raising position
and weaning age for generally weaning weight while birth type
and sex had non-significant huge impacts on the characteristic in
Kajli sheep kept at LES Khushab and Khizarabad during the period 1980-1994. Bathaei and Leroy (1998) [14] assessed weaning
weight got by least-squares methodology. Year of birth, sex, sire
and sort of birth altogether impacted all development bend boundaries in Mehraban Iranian sheep. Dixit et al (2001) [6] gave a detailed that year and period of lambing, sex of lamb, sort of birth,
time of dam and ewe weight were critical wellsprings of variety for
lamb weight and every day gains in Bharat Merino sheep. Akhter
et al (2001) [7] announced that the weaning weight of Hissardale
sheep was influenced altogether by year and period of birth and
sex of the lamb. The impact in sort of birth of the sheep and age
of the dam on weaning weight was anyway non-significant. Hussain et al (2006) [2] study uncovered huge impact of year, sex and
period of birth and association between period of birth into sex of
7
sheep and period of birth into kind of birth were discovered significant on weaning weight. While, the distinctions in weaning weight
of lamb because of birth type and sex into sort of birth connection
and straight impacts old enough of dam on weaning weight were
non-significant. The birth weight of lamb significantly affected
weaning weight showing that the lamb of higher birth weight had
grown up better to weaning when contrasted with sheep having
lighter weight upon entering the world. Period of birth had significant impact on weaning weight. The greatest weight was noticed
for the lamb brought into the world during winter season while
the lamb brought into the world during spring season had the base
weight at weaning.
5.5. Yearling Weight
The aftereffects of the current examination showed significant impacts in year of birth, period of birth and time of dam on yearling
weight. There was a huge impact of sex on the attribute. Sorts of
birth and group have non-significant impact on the trait. Numerous scientists revealed comparative outcomes in various types of
sheep kept at various areas and managemental conditions. Akhtar
(1996) [4] led an investigation on Hissardale sheep and reported
that variety in yearling body weight because of year and sex was
significant. Nonetheless, the impact of season and sort of birth on
yearling body weight was non-huge and this was in fractional concurrence with the current analysis. Qureshi et al (2010) announced
that analysis of fluctuation showed huge contrasts in generally
yearling body weight, because of year of birth and period of birth
and birth type. Notwithstanding, the impact of dam age on in general yearling weight was non-significant and it was somewhat in
concurrence with the current analysis. Hussain (2006) [2] reported
that the variation in yearling body weight because of year of birth,
sex and sort of birth were significant. Notwithstanding, the impacts of season and collaboration among birth and birth type on
yearling weight were non-significant and it was additionally somewhat in concurrence with the current examination. The period of
birth significantly affected yearling weight. The lamb brought into
the world during spring season had greatest weight at one year age
followed by the lamb brought into the world during winter season.
The lamb brought into the world during spring season had the most
noteworthy birth weight and a similar pattern stayed during development period which finished into higher weight at one year age.
5.6. Pre-Weaning Normal Day by Day Weight Acquire
The extended period of birth, period of birth, sort of birth and
group have significant impact, while sex has non-significant. Birth
weight likewise has huge impact on pre-weaning normal day by
day weight acquire. Babar (1994) [10] analyzed information on
3973 sheep and detailed that solitary conceived sheep acquired
than sheep brought into the world as different. The male lamb had
more day by day weight acquire than females. These discoveries
are not in concurrence with the discoveries of the current invesVolume 3 | Issue 15
ajsccr.org
tigation. Akhtar (1996) [6] detailed that impact of period of birth
was huge which was in agreement to the consequences of the current investigation. He revealed that impact of period of birth on
pre-weaning weight acquire was huge as spring conceived sheep
acquired better as contrast with pre-winter conceived sheep. Discoveries of Akhtar (1996) [6] with respect to the impact of sex
and year of birth on pre-weaning normal every day acquire didn't
expand the aftereffects of the current study, where as the perceptions in regards to impact of sort of birth and age of the dam on
pre-weaning normal development rate validated the consequences
of the current results. Qureshi et al (2010) [5] reported that station,
year of birth, time of ewe, period of birth, sex and raising position
were significant wellsprings of variation for pre-weaning every
day acquire in Kajli sheep of Pakistan. These discoveries are not in
accordance with the discoveries of the current analysis. He further
revealed that sort of birth applied a non-significant impact on the
trait. These discoveries are in concurrence with the consequences
of the current investigation. Dixit et al. (2001) [6] study hereditary
and non-hereditary effects on the body weight of 2425 Bharat Merino sheep sired by 154 rams more than 1982–1996. Year and period of lambing, sex of lamb, kind of birth, and time of dam and ewe
weight were huge source of variation for lamb weight and every
day gains. These outcomes were not in accordance with the discoveries of the current examination. Hussain (2006) [2] investigated 17250 family records of Thalli sheep with 17030 lambing kept
up with at Livestock Experiment Station Rakh Ghulaman District
Bhakkar, Pakistan during the period from 1975-2004. Gbangboche
et al. (2006) [13] broke down information and announced non-hereditary elements influencing normal every day gains from 0 to
30 days, from 0 to 60 days, from 0 to 90 days and from 0 to 120
days. All proper impacts were significant for normal every day
gains at 30 days. All decent impacts would in general counteract
for weight and normal every day gains by 120 days. Sheep from
ewes of third and fourth parity were heavier, with higher, normal
every day gains. So these outcomes are not in concurrence with the
discoveries of the current investigation.
5.7. Greasy Fleece Weight
The outcomes as gotten in the current study uncovered that extended time of birth, herd and sex of lambs significantly affected fleece
weight, while period of birth and kind of birth had non significant
impact on the attribute under investigation. Numerous analysts
revealed the impact of natural variables on fleece yield in various breeds kept up with under various managemental conditions.
Babar (1994) [10] study revealed that yearly fleece yield in Lohi
sheep. It was likewise seen that time of shearing and age at shearing had huge impact on fleece yield. It was additionally reported
that spring fleece wool yield in Lohi sheep, which was likewise affected by year of shearing and weight at shearing. It was additionally reported that difference yield contrasts because of season and
age at shearing were non-significant. Akhtar (1996) [4] reported
8
that the distinctions in grease fleece wool weight because of year
of shearing were significant and non-significant impact of birth
type. It was additionally in concurrence with the current research
project. Qureshi et al (2010) [5] reported and observed that the
change for yearly wool weight showed that due to time of shearing, age at shearing and sex were huge source of variation while
birth type had a non-significant impact, this was in concurrence
with the current study. Sinha and Singh (1997) [9] investigated information on Muzaffarnagri sheep and announced that the impacts
of year of birth and sort of the board on first shearing fleece yield
were all significant source of variation. Hussain (2006) [2] meticulous that the investigation of change for fleece yield uncovered
that time of shearing, sort of birth and age at shearing significantly
affected fleece weight. The above investigations were somewhat
in concurrence with the current study. The yearly variation in the
wool weight during various years demonstrated managemental
just as healthful contrasts for nutrition as well. The increment in
grease fleece weight with the headway old enough/equality might
be credited towards expansion in body size with progression old
enough. Clearly it could be because of reality that the male lambs
were heavier and cumbersome than females at all ages.
6. Conclusion
Results showed that Kajli sheep breed could be improved on
through selection and better management. This shows that ecological and environmental factors and variables can be controlled to
achieve higher growth. Better administration and supplementation
was huge wellspring of differentiations among flocks at different
regions. These distinctions might be a result of typical supplementation of extent. These analyses were done utilizing DFREML PC
programming software which is uncommonly intended for the
assessment of fluctuation parts. These discoveries suggested that
Kajli sheep can be improved by assurance and better management
practice. Low assessment of the Kajli sheep and wide extent of
phenotypic assortment in light of regular components suggested
that improvement in empowering, parasites control and the administration, etc may further develop the advancement execution of
Kajli sheep. It is moreover clear that improvement in performance
of Kajli sheep may be cultivated through better uplifting and improved oversee managemental practices. The information and data
so twisted will be eventually useful in developing future reproducing plans for hereditary improvement of Kajli sheep in Pakistan.
References
1.
GOP. Economic Survey of Pakistan. Economic Advisor’s Wing.
Ministry of Finance, Government of Pakistan. Islamabad. 2011.
2.
Hussain A. Genetic evaluation of Thalli sheep. Ph.D Thesis Univ. of
Agri. Faisalabad Pakistan. 2006.
3.
Harvey WR. User’s Guide for LSMLMW (PC version) Mixed Model
Least Square and Maximum Likelihood Computer Program, Ohio
State University, Ohio USA. 2000.
Volume 3 | Issue 15
ajsccr.org
4.
Akhtar P. Genetic and phenotypic parameters of some performance
characteristics of Hissardale sheep. Ph.D Thesis Uni. of Agric. Faisalabad Pakistan. 1996.
5.
Qureshi MA, Babar ME, Ali A. Environmental and Genetic factors
influencing Performance traits of Kajli sheep in Pakistan. Pakistan J.
Zoology. 2010; 42(3): 339-343.
6.
Dixit SP, Dhillon JS, and Singh G. Genetic and non-genetic parameter estimates for growth traits of Bharat Merino lambs. Small Ruminant Research. 2001; 42 (2): 101-104.
7.
Akhtar P, Ahmad Z, Mohiuddin G, Ali S, and Javed K. Environmental factors affecting pre-weaning growth traits of Hissardale sheep in
Pakistan. Pakistan. Vet. J, 2001; 21(1): 17-21.
8.
Babar ME, Ahmad Z, Nadeem A, and Yaqoob M. Environmental
factors affecting birth eight in Lohi sheep. Pakistan. Vet. J. 2004;
24 (1): 5-8.
9.
Sinha NK, and Singh SK. Genetic and phenotypic parameters of
body weights, average daily gains and first shearing wool yield in
Muzaffarnagri sheep. Small Ruminant Research. 1997; 29(1-2): 2129.
9
10. Baber ME. Genetic and phenotypic parameters of some performance
characteristics of Lohi sheep. Ph.D Thesis Uni. of Agric. Faisalabad
Pakistan. 1994.
11. Ali S, Hussain A, Akhtar P, Younas M, and Khan MA. Relationship
of birth weight of lambs with age of ewes at service in Rambouillet
sheep. Pakistan. Vet. J., 2006; 26 (4): 187-189.
12. Qureshi A. Genetic and environmental components of variation a
performance traits of Kajli sheep in Pakistan. PhD Thesis Univ. of
Agric. Faisalabad Pakistan. 1996.
13. Gbangboche AB, Youssao AKI, Senou M, Adamou-Ndiaye M, Ahissou A, Farnir F, et al. 2006. Examination of non-genetic factors affecting the growth performance of djallonke sheep in sudanian zone
at the okpara breeding farm of Benin. J. Tropical Anim. Prod. Health.
2006; 38(1): 55-64.
14. Bathaei SS, and Leroy PL. Genetic and phenotypic aspects of the
growth curve characteristics in Mehraban Iranian fat-tailed sheep.
Small Ruminant Research. 1998; 29(3): 261-269.
Volume 3 | Issue 15