搜索结果: 1-6 共查到“理学 Calf”相关记录6条 . 查询时间(0.149 秒)
Beef Cow-Calf Production
Beef Cow-Calf Production
font style='font-size:12px;'>
2013/6/28
The beef cow-calf business is well adapted to small-scale and part-time farmers who have land suitable for pasture and hay production. This publication discusses marketing and preconditioning, housing...
Association of Polymorphism Harbored by Tumor Necrosis Factor Alpha Gene and Sex of Calf with Lactation Performance in Cattle
Cattle TNFα Gene Single Nucleotide Polymorphism Milk Production Sex of Progeny
font style='font-size:12px;'>
2016/5/12
In a majority of mammals, male infants have heavier body mass and grow faster than female infants. Accordingly, male offspring nursing requires a much greater maternal energy contribution to lactation...
Maternal Effects of Japanese Shorthorn Cows on the Growth of Embryo-transferred Japanese Black Calves in a Cow-calf Grazing System
Japanese Shorthorn Japanese Black Cattle Embryo Transfer Cow-calf Grazing
font style='font-size:12px;'>
2016/5/12
The growth performance of embryo-transferred Japanese Black calves that were born from, and suckled by, Japanese Shorthorn cows in a cow-calf grazing system (BS-group, n = 5) was compared to that of J...
Studies on the interaction between analogs of distamycin and calf thymus DNA
font style='font-size:12px;'>
2007/7/28
期刊信息
篇名
Studies on the interaction between analogs of distamycin and calf thymus DNA
语种
英文
撰写或编译
撰写
作者
Weihong Du,Baohuai Wang,Zhifen Li,Junhua Xiao,Gu Yuan and Weiqiang Huang
第一作者单位
刊物名称
Thermochimic...
Effects of Some Management Factors on Milk Production in First-calf Heifers
Dairy Cow Milk Performance Rearing Housing Sire Lineage Season of Birth and Calving
font style='font-size:12px;'>
2016/4/21
The objective of this study was to investigate whether milk performance is impacted by the housing of heifers from the second to the seventh day of life, the method of feeding milk from the second wee...
Efficiency of Calf Production from Twin-bearing Beef Cows on an Intensive Pasture System in Subtropical Australia
Twinning Forage Intake Pastures Calf Growth Efficiency Beef Cattle
font style='font-size:12px;'>
2016/4/20
Forty-two single-bearing and 42 twin-bearing mature Angus횞Hereford cows were allocated, seven per cell to 3 replications of 2 stocking rates (3.2 cows/ha; medium stocking rate [MSR], and 3.8 co...