搜索结果: 1-5 共查到“畜牧学 breeders”相关记录5条 . 查询时间(0.056 秒)
Influence of Energy Restriction and Pre-incubation Holding Period of Eggs on Fertility and Hatchability in Aged Broiler Breeders
Energy Restriction Pre-Incubation Holding Fertility Hatchability Aged Broiler Breeders
2016/5/4
The effects of controlled energy restriction and duration of pre-incubation egg holding on fertility, hatchability and hatch losses were evaluated in aged broiler breeders (64 wk). The energy (ME) req...
The effect of autoclave processing and gamma irradiation on apparent ileal digestibility in broiler breeders of amino acids from canola meal
Gamma digestibility protein canola poultry
2010/9/10
The objective of this study was to investigate the effect of different doses of gamma irradiation and autoclaving on the apparent ileal digestibility in male broiler breeders of amino acids from canol...
Reproductive Performance of F1 Pekin Duck Breeders Selected with Ultrasound Scanning for Breast Muscle Thickness and the Effect of Selection on F2 Growth and Muscle Measurement
breast muscle ultrasound breeders egg weight fertility hatchability
2010/11/12
A study was conducted to assess the effect of selection for breast muscle thickness in Pekin
ducks on reproduction of F1 and growth performance of the resulting progeny. At 7 and 23 wk of age, the li...
Influence of Supplemental Vitamin D3 on Production Performance of Aged White Leghorn Layer Breeders and Their Progeny
Vitamin D3 White Leghorn Layer Breeders Production Performance
2016/4/22
An experiment was conducted to elucidate the effect of graded levels of vitamin D3 in White Leghorn (WL) layer breeders on egg production, shell quality, hatchability of eggs and juvenile performance ...
Effect of Supplementing Microbial Phytase on Performance of Broiler Breeders Fed Low Non-phytate Phosphorus Diet
Non Phytate Phosphorus Phytase Broiler Breeders Production Performance
2016/4/20
An experiment was conducted to study the production performance of broiler breeder females (25 to 40 weeks of age) fed either reference diet or low non-phytate phosphorus (NPP) diet with or without mi...