INFLUENCE OF GENETIC AND NON-GENETIC FACTORS ON INCIDENCE OF CALVING ABNORMALITIES IN KARAN FRIES COWS

Article Id: ARCC771 | Page : 26 - 31
Citation :- INFLUENCE OF GENETIC AND NON-GENETIC FACTORS ON INCIDENCE OF CALVING ABNORMALITIES IN KARAN FRIES COWS.Indian Journal Of Animal Research.2011.(45):26 - 31
B. Balasundaram, A.K. Gupta, V.B. Dongre*, T.K. Mohanty and P.C. Sharma, Keviletsu Khate and R.K. Singh vilasndri@gmail.com
Address : Dairy Cattle Breeding Division, National Dairy Research Institute, Karnal - 132 001, India

Abstract

In the present investigation, the effect of genetic and non-genetic groups on the incidence of calving abnormalities has been studied. The present study revealed that overall incidence of abortion, still birth and dystocia in Karan Fries cows was 3.31, 4.60 and 3.84 %, respectively for first calvers and 7.67, 4.51 and 3.32 %, respectively for all calvers. The effect of genetic group was found to be non-significant for all the calving abnormalities in both all calvers and in first calvers. The effect of season of calving on all calving abnormalities was found to be non-significant in both all calvers and first calvers. The cows with abortion had non-significant effect on calving interval, service period and dry period while significant effect was found on 305-days milk yield, total milk yield and lactation length. The effect of still birth on production and reproduction traits was non-significant except lactation length. The effect of dystocia was found to be non-significant for all the production and reproduction traits except on 305 day milk yield.

Keywords

Abortion Dyst-ocia Still-birth.

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