volume 35 issue 1 (january to june 2001) : 32 - 35
GENETIC STUDY ON ECONOMIC TRAITS OF ARST LACTATION IN MURRAH BUFF~LOES
1Department of Animal Science,
College of Agriculture,
G.B. Pant Univ. of Agric. and Tech., Pantnagar - 263 145, India.
ABSTRACT
First lactation 300 days milk yield was found to be significantly influenced by farm, period and age-group. Similarly, first lactation period and first dry Period were influenced by all the nongenetic factors except age-group which only had significant effect on number of services per conception. The effects due to farm and season of calving were found to be significant for first service period and first calving interval. The heritability estimates of 300 d FLY, FLP, WFC, FDP, FSP, NS/C and FCI were 0.18±0.07, 0.15±0.07, 0.28±0.08, 0.24±0.08, 0.11±0.06, 0.11±0.06, and 0.27±0.08 respectively. Based on genetic correlations among the traits it could be concluded that buffaloes with longer FLP, higher WFC, shorter FDP, less NS/C and shorter FCI exhibit better performance for first lactation milk yield.
KEYWORDS
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This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Indian Journal of Animal Research
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