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Factors affecting growth traits in Marwari goat

Indian Agricultural Research Journals

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Title Factors affecting growth traits in Marwari goat
 
Creator RAI, B
SINGH, M K
KHAN, B U
YADAV, M C
 
Subject Body weight, Heritability, Interaction, Marwari goat, Sex
 
Description Data on body weight of 558 Marwari kids maintained at Western Regional Research Centre, Avikanagar (Rajasthan)of CIRG, for 1986 to 1994 were utilized. The overallieast-squal'es means of body weight at birth, 3, 6, 9 and 12 monthwere 3.05±0.05, 11.35±0.17, 14.94±0.21 and 23.19±0.18 kg respectively. Least- squares analysis of variance showedsignificant effect of sire, season and year of birth, sex, type of birth and dam's weight of kidding on bodyweight at different ages. Spring-born kids showed higher birth weight than those born in autumn. Males were significantly heavier than their counter parts at birth, 3 and 6 month of age. Heritability for 6 and 9 month body weight (0.251±0.1 16 and 0.266±0.119) were moderate indicating existence of additive genetic variance in these trait. The positive and high genetic and phenotypic correlations of 3 and 6 month body weights with each other and with 12 months weights indicated that selection of kids may be done on the basis of 3 or 6 months body weights to obtain higher weights at later ages.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2014-03-06
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/38677
 
Source The Indian Journal of Animal Sciences; Vol 74, No 5 (2004)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/38677/17392
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences