volume 34 issue 1 (january to june 2000) : 24-28
VARIABILITY IN SEX RATIO IN KARAN SWISS CATILE
1Division of Dairy Cattle Breeding
National Dairy Research Institute, Kamal -132 001, India
Published In
Indian Journal of Animal Research
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volume 34 issue 1 (january to june 2000) : 24-28
VARIABILITY IN SEX RATIO IN KARAN SWISS CATILE
1Division of Dairy Cattle Breeding
National Dairy Research Institute, Kamal -132 001, India
ABSTRACT
Based on 4440 calving records, the frequency of male births (sex-ratio) was observed to be 0.516 which was significantly higher than that of the female births. However, the frequency of male births did not differ significantly among diffetent genetic groups, period, season and parity of calving. The frequency of male births among the progeny of different sires did not differ significantly. The heritability and repeatability estimates were found to be very low.
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In this Article
APC
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Published In
Indian Journal of Animal Research