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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2018, Vol. 6, Issue 3
Genetic and phenotypic trends of different body parameters in Indian dromedary breeds

Priyank Vyas, SC Mehta, Urmila Pannu and Pallavi Joshi

Camel is an integral member of the desert environment and it is mainly reared for the draught purpose, especially in India. The draught ability is associated with body weight and size body parameters like body length, height at weathers and heart girth. The body parameter data belonging to the camel herd maintained at ICAR- National Research Centre on Camel, Bikaner was utilised for the present analysis. The overall least-squares means of heart girth, height at withers and body length were estimated to be 208.99 ± 1.28, 198.76 ± 0.58 and 158.79 ± 0.78 cm, respectively. The fixed effect of breed was found non-significant (P>0.05) on heart girth and body length, whereas highly significant (P<0.01) on height at withers. The fixed effect of sex was found highly significant (P<0.01) on height at withers and body length, whereas significant (P<0.05) on heart girth. The random effect of sire was found non-significant (P>0.05) on all body parameter traits. The heritability heart girth, height at withers and body length were estimated to be 0.284, 0.213 and 0.172, respectively. For the body parameter traits genetic, phenotypic and environmental trends were observed in camel at different ages from the period 2002-03 to 2008-09, phenotypic trend was positive for all the body parameter traits. The genetic trend was positive for 1, 7 and 8 years’ heart girth, 6 and 8 years’ height at withers and 5, 7 and 8 years’ body length parameters. The positive genetic trend indicates genetic improvement of camel in respect of economic values over the years. Environmental trend was positive in all the parameters at all age groups which indicate proper and healthy management throughout the period.
Pages : 87-91 | 343 Views | 18 Downloads
How to cite this article:
Priyank Vyas, SC Mehta, Urmila Pannu and Pallavi Joshi. Genetic and phenotypic trends of different body parameters in Indian dromedary breeds. 2018; 6(3): 87-91.
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