Arsip Blog

Kamis, 23 Oktober 2008

3.2. Traits Definitions

Birth Weight. Birth weight was recorded in kilograms up to 4 d after calving, either by the farmers or by a technician from the dairy recording-scheme.
Calving Difficulty. Calving performance was recorded in the Holstein dairy-recording scheme as easy calving (unassisted), normal calving (assisted by one person), normal calving with malpresentation of the calf, difficult calving (assisted by more than one person), difficult calving with malpresentation of the calf, caesarean section, or calving induced by hormone injection. The frequency of caesarean sections and induced calvings was calving ability and birth weight 377 very low (<0.5%>

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