搜索结果: 1-6 共查到“畜牧学 White Leghorn”相关记录6条 . 查询时间(0.062 秒)
Behavioral Activities and Energy Expenditure of White Leghorn Laying Hens under Day-Night Cyclic Temperatures
behavioral activities energy expenditure cyclic temperature laying hen
font style='font-size:12px;'>
2009/7/31
Single Comb White Leghorn laying hens (Hyline) were fed ad libitum in order to estimate energy expenditure of behavioral activities (BA) such as standing, eating or body movements et cetera under arti...
Cryopreservation of Primordial Germ Cells (PGCs) from White Leghorn Embryos Using Commercial Cryoprotectants
chicken cryoprotectants PGCs recovery-rate viability
font style='font-size:12px;'>
2009/7/30
Cryopreservation of poultry semen has been reported, but preservation of female genetic material has not been possible because of the large size of their yolk structure. Cryopreservation of primordial...
Growth Performance of Single Comb White Leghorn Chicks Fed Diets Containing Blood Meal Supplemented with Isoleucine
blood meal body weight gain feed consumption feed conversion Single Comb White Leghorn
font style='font-size:12px;'>
2009/7/29
The suitability of blood meal supplemented with isoleucine as protein source for Single Comb White Leghorn (SCWL) chicks was evaluated. In four replicates, four hundred and eighty SCWL chicks were fed...
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
font style='font-size:12px;'>
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 ...
Effects of Dietary Non-phytate Phosphorus Levels on Egg Production, Shell Quality and Nutrient Retention in White Leghorn Layers
Non Phytate Phosphorus Egg Production Shell Quality Nutrient Retention White Leghorn Layers
font style='font-size:12px;'>
2016/4/19
An experiment was conducted (28 to 44 weeks) to study the laying performance, shell quality, and nutrient retention of White Leghorn layers fed different levels of non-phytate phosphorus (NPP). Six le...
Relationship between Intersequence Pauses, Laying Persistency and Concentration of Prolactin during the Productive Period in White Leghorn Hens
Bromocriptine Inter Sequence Pauses Ovulatory Sequences Oral Feeding Prolactin White Leghorn
font style='font-size:12px;'>
2016/4/19
Prolactin is considered to influence the taking of pauses in between ovulatory sequences in White Leghorn hens. Therefore modulating concentrations of prolactin using bromocriptine - a dopamine agonis...