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Morphological and molecular characterization of gastrointestinal nematodes in sheep

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Title Morphological and molecular characterization of gastrointestinal nematodes in sheep
Not Available
 
Creator Veena M
Puttalakshamma GC
Ananda KJ
Sengupta PP
 
Subject Haemonchus contortus
Trichostrongylus colubriformis
PCR
Anthelmintic resistance
ITS-2
 
Description Not Available
A study was set out to investigate the distribution of gastrointestinal nematode parasites in sheep farms of Hassan district, Karnataka and to ascertain which species are involved in the anthelmintic resistance. In the study 26 farms were treated with fenbendazole and 19 farms were treated with ivermectin. The pre and post treatment faecal cultures were prepared for each farms. The larvae identified in the pre-treatment faecal culture were Haemonchus sp, Trichostrongylus sp, Oesophagostomum sp, Bunostomum sp and Cooperia sp based on the morphological keys. During the study 15 farms showed resistance to fenbendazole whereas 2 farms were resistant to ivermectin. Among 15 farms, 12 farms had Haemonchus sp as a predominant larvae followed by Trichostrongylus sp in 3 farms. The ivermectin resistant farms had Haemonchus sp as pre dominant larvae.
The post treatment faecal cultures revealed Haemonchus sp. as the predominant gastrointestinal nematode followed by Trichostrongylus sp. The ones mentioned were identified as Haemonchus contortus and T. colubriformis by PCR. The PCR tool used for epidemiological studies supported the investigations of conventional parasitological techniques
Not Available
 
Date 2021-04-22T04:45:41Z
2021-04-22T04:45:41Z
2020-04-10
 
Type Research Paper
 
Identifier Veena M, Puttalakshamma GC, Ananda KJ and Sengupta PP. 2020. Morphological and molecular characterization of gastrointestinal nematodes in sheep. International Journal of Current Microbiology and Applied Sciences. 9(4): 2564-2575.
2319-7706
http://krishi.icar.gov.in/jspui/handle/123456789/46602
 
Language English
 
Relation Not Available;
 
Publisher Excellent Publishers