Effect of genetic and non-genetic factors on age at first calving of exotic and its crosses with indigenous cows
2003
Kothekar, M.D (Nagpur Veterinary College, Nagpur (India). Department of Animal Genetics and Breeding)
Age at first calving is an important economic character directly influencing initiation of productive age and subsequent performance of an animal. A lower age at first calving initiates lactaion at an early age, increases the number of calves born in life time, reduces the generation interval and thus, reduces the cost of rearing of an animal.
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书目信息
页码
pp. 470-472
语言
英语
注释
Summary (En)
1 table; 7 ref.
类型
Summary
2004-08-15
AGRIS AP