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Estimates of Genetic and Phenotypic Parameters for the Birth Weight of Calves of Holstein Friesian Cattle Reared Organically
(Medwell Online, 2009)
The aim of this study, was to estimate genetic and phenotypic parameters for birth weight and to determine the survival rate of calves of Holstein Friesian cattle reared organically. Aborting rate, still born rate and the ...
THE EFFECT OF AVERAGE DAILY GAIN AND AGE AT FIRST CALVING ON REPRODUCTIVE AND MILK PRODUCTION TRAITS OF BROWN SWISS AND HOLSTEIN FRIESIAN CATTLE
(Scientific Issues Natl Centre Agrarian Sciences, 2009)
The purpose of the study was to determine the effects of average daily gain and age at first calving on the reproductive and milk production traits of Brown Swiss (BS) ad Holstein Friesian (HF) cattle. For this purpose, ...
Genetic and Environmental of Milk Ability Traits in Holstein Friesian Cows
(Journal of Animal and Veterinary Advances, 2009)
The research was performed to determine the effect of non-genetic factors on milkability characteristics and to estimate genetic parameters and relationships among Milk Flow Rate (MFR), Milking Time (MT) and milk yields ...