Genetic and environmental changes in some economic traits in Sahiwal

被引：0
|
作者：
Singh, SK
Nagarcenkar, R
机构：
[1] NATL DAIRY RES INST,KARNAL 132001,HARYANA,INDIA
[2] ICAR RES COMPLEX,DDG,BANGALORE 560055,KARNATAKA,INDIA
来源：
INDIAN JOURNAL OF ANIMAL SCIENCES | 1996年 / 66卷 / 06期
关键词：
D O I：
暂无
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Study was conducted to record the genetic, environmental and phenotypic changes of Sahiwal cows at 5 different farms of India. A significant decrease in age at first calving (AFC) at genetic scale was recorded in most of the herds. A genetic trend of increase in milk yield/lactation length (MY/I.L) was observed for Kamal and Meerut herds, whereas genetic decrease in the trait was observed for Durg.
引用
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页码：597 / 602
页数：6
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