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Genetic diversity at major histocompatibility complex and its effect on production and immune traits in indigenous chicken breeds of India

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Title Genetic diversity at major histocompatibility complex and its effect on production and immune traits in indigenous chicken breeds of India
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Creator Santosh Haunshi, Divya Devara, Kannaki Ramasamy, Rajkumar Ullengala, and Rudra Nath Chatterjee
 
Subject MHC, Indigenous chicken, diversity, Ghagus, Nicobari, production and immune traits
 
Description The genetic diversity at major histocompatibility complex (MHC) in indigenous chicken breeds of
India (Ghagus and Nicobari) in comparison with the White Leghorn (WLH) breed was investigated by genotyping the MHC-linked LEI0258 marker. Altogether 38 alleles and 96 genotypes were observed among three breeds. The observed and effective alleles were highest in Ghagus (23, 8.3) followed by Nicobari (14, 3.2) and WLH (10 and 2.2) breeds. The size of alleles ranged from 193 to 489 bp in Ghagus, 193 to 552 bp in Nicobari and 241 to 565 bp in the WLH breed. The number of private alleles was also highest in Ghagus (18) followed by Nicobari (8) and WLH (5) breeds. The most frequent allele was 261 bp in WLH (66 %), 343 bp in Nicobari (50.4 %) and 309 bp in the Ghagus (28.15 %) breed. Observed and expected heterozygosities were highest in Ghagus (0.83, 0.88) followed by Nicobari (0.58, 0.68) and WLH (0.53, 0.54). The genetic distance (Nei) between Ghagus and Nicobari breeds (2.24) was higher as compared to that of Ghagus and WLH (1.23) and that between Nicobari and WLH breeds (0.89). Association analysis revealed significant influence of MHC alleles on body weight, egg production in Ghagus and WLH breeds and antibody titres to Newcastle disease vaccine in the Nicobari breed.
 
Date 2020-07-13T05:06:18Z
2020-07-13T05:06:18Z
2020-06-16
 
Type Research Paper
 
Identifier Haunshi S., Divya D., Kannaki R., Rajkumar U. and Chatterjee R. N. 2020. Genetic diversity at major histocompatibility complex and its effect on production and immune traits in indigenous chicken breeds of India. Archives Animal Breeding. 63:173-182. 10.5194/aab-63-173-2020.
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http://krishi.icar.gov.in/jspui/handle/123456789/38070
 
Language English
 
Relation Not Available;
 
Publisher Copernicus Publications on behalf of the Leibniz Institute for Farm Animal Biology (FBN)