Parasites are the opportunist organisms that attack on varied number of fish species and lead to ... more Parasites are the opportunist organisms that attack on varied number of fish species and lead to various physiological and anatomical changes in them. It is well documented that fish parasites are associated with the alterations in haematological, biochemical and histopathological changes in fish communities all over the world. By acing as secondary pathogens, they have been linked with the imunomodulation in fishes. This review presents a thorough literature citing the various instances of immunomodulations in fishes against parasites.
Bacterial diseases in fishes create one of the alarming situations that render significant loss t... more Bacterial diseases in fishes create one of the alarming situations that render significant loss to the fishing industries and aquacultural farm units worldwide. Various drugs have been formulated, standardized, and used in the industry to combat bacterial infections. However, non-judicious drugs can lead to pharmacological problems and induction of toxicity in fishes, leaving them less suitable for human consumption. These drugs can be supplemented with the natural herb plants having antibacterial activities, although they cannot be used solely to curb the menace. Therefore, the review put forth an idea, which plant herbs can be used as antibacterial drugs in fishes.
Saprolegnia parasitica infecting Rainbow trout (Oncorhynchus mykiss), has been a major bottleneck... more Saprolegnia parasitica infecting Rainbow trout (Oncorhynchus mykiss), has been a major bottleneck in the intensification and propagation of trout culture in northern Himalayas of India. Present study was to ascertain the presence of S. parasitica infections using molecular diagnostic techniques in cultured rainbow trouts collected from different hatcheries of Kashmir valley. Growth of S. parasitica at different incubation temperatures was examined. The molecular detection of fungus done by using PCR, revealed that the twenty trout specimens out of 144 collected samples were found infected with Saprolegnia parasitica with overall prevalence of 13.88%, with a PCR product size of around 750 bp. No growth of S. parasitica was reported at 4°C after 48 h of incubation. S. parasitica infections were more frequent in cold water months when water temperature was recorded between 7°C – 9°C.
Parasites are the opportunist organisms that attack on varied number of fish species and lead to ... more Parasites are the opportunist organisms that attack on varied number of fish species and lead to various physiological and anatomical changes in them. It is well documented that fish parasites are associated with the alterations in haematological, biochemical and histopathological changes in fish communities all over the world. By acing as secondary pathogens, they have been linked with the imunomodulation in fishes. This review presents a thorough literature citing the various instances of immunomodulations in fishes against parasites.
Bacterial diseases in fishes create one of the alarming situations that render significant loss t... more Bacterial diseases in fishes create one of the alarming situations that render significant loss to the fishing industries and aquacultural farm units worldwide. Various drugs have been formulated, standardized, and used in the industry to combat bacterial infections. However, non-judicious drugs can lead to pharmacological problems and induction of toxicity in fishes, leaving them less suitable for human consumption. These drugs can be supplemented with the natural herb plants having antibacterial activities, although they cannot be used solely to curb the menace. Therefore, the review put forth an idea, which plant herbs can be used as antibacterial drugs in fishes.
Saprolegnia parasitica infecting Rainbow trout (Oncorhynchus mykiss), has been a major bottleneck... more Saprolegnia parasitica infecting Rainbow trout (Oncorhynchus mykiss), has been a major bottleneck in the intensification and propagation of trout culture in northern Himalayas of India. Present study was to ascertain the presence of S. parasitica infections using molecular diagnostic techniques in cultured rainbow trouts collected from different hatcheries of Kashmir valley. Growth of S. parasitica at different incubation temperatures was examined. The molecular detection of fungus done by using PCR, revealed that the twenty trout specimens out of 144 collected samples were found infected with Saprolegnia parasitica with overall prevalence of 13.88%, with a PCR product size of around 750 bp. No growth of S. parasitica was reported at 4°C after 48 h of incubation. S. parasitica infections were more frequent in cold water months when water temperature was recorded between 7°C – 9°C.
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