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Influence of sheep breeds on the susceptibility to strongyle infection in Rajasthan

Indian Agricultural Research Journals

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Title Influence of sheep breeds on the susceptibility to strongyle infection in Rajasthan
 
Creator SINGH, D
SWARNKAR, C P
 
Subject Breeds
Gastrointestinal nematodes
Rajasthan
Sheep
Susceptibility
 
Description A study was conducted to observe the influence of sheep breeds on the susceptibility to natural strongyle infection in Rajasthan. Faecal samples (39,896) from native, crossbred and exotic sheep managed under farm condition in both arid and semi-arid agro-climate of Rajasthan were evaluated for incidence and intensity of strongyle infection (predominated by Haemonchus contortus). In semi-arid region, parasitological profile showed relatively the lowest susceptibility of Garole and its crosses followed by Malpura, Chokla, Kheri and the highest susceptibility in crossbreds. Like-wise in arid region, the lowest susceptibility was expressed by Nali sheep followed by Marwari, Chokla, crossbreds and the highest susceptibility by exotic sheep. During wormy season, at Arid Region Campus, Bikaner, Marwari sheep possessed greater resistance compared to Magra sheep. It was also observed that similar genotype of sheep vary in susceptibility according to agroclimatic conditions and resultant pasture infectivity. The over-dispersion phenomenon in faecal egg counts suggested that inter-individual variation in susceptibility to natural infection was of more importance than inter- breed differences. Further the study suggested that for selection for resistance to GIN infection in Indian sheep under natural condition might be possible.
 
Publisher Indian Council of Agricultural Research
 
Date 2014-02-12
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAnS/article/view/37814
10.56093/ijans.v84i2.37814
 
Source The Indian Journal of Animal Sciences; Vol. 84 No. 2 (2014); 120–126
2394-3327
0367-8318
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAnS/article/view/37814/16956
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences
https://creativecommons.org/licenses/by-nc-sa/4.0