搜索结果: 1-5 共查到“畜牧学 Reproductive Performances”相关记录5条 . 查询时间(0.078 秒)
Study of the Effects of Dietary Lutein on Reproductive Performances in Chickens
antioxidant carotenoid chickens lutein reproduction
2009/7/30
The aim of the present study was to determine the effects of dietary supplementation of lutein on reproductive performances in mature chickens. At 40 weeks of age, 15 Barred Rock roosters (n=5 per tre...
Estimates of Parameters for Genetic Relationship between Reproductive Performances and Body Condition Score of Hanwoo Cows
Body Condition Score Genetic Correlation Heritability Hanwoo
2016/4/19
This study was conducted to estimate phenotypic and genetic parameters of body condition score (BCS) and reproductive traits in Hanwoo cows. DFREML procedures were applied to obtain variance-covarianc...
Effects of Sire Breed on the Subsequent Reproductive Performances of Landrace Sows
HSow Sire Effects Parity Litter Size Survival Rate
2016/4/13
Reproductive traits of sows are determined chiefly by the genetic background of the dam herself. Whether the breed of the serviced boars also contributes is not yet clear. A total of 8,946 litters of ...
Current Level of Reproductive Performances in Japanese Black Cows
Reproductive Performances Effects on Performances Japanese Black Cows
2016/4/11
A set of 313,169 reproduction records of Japanese Black cows calving between 1987 and 1996 were collected in nation widely Japan to investigate the current level of reproductive performances and the f...
Rearing Black Bengal Goat under Semi-Intensive Management 1. Physiological and Reproductive Performances
Black Bengal Goat Reproduction Feeding and Kid Mortality
2016/4/8
Ninety pre-puberal (6-7 months) female and 15 pre-puberal male Black Bengal goats were collected on the basis of their phenotypic characteristics from different parts of Bangladesh. Goats were reared ...
