搜索结果: 1-6 共查到“理学 Holstein-friesian”相关记录6条 . 查询时间(0.038 秒)
L-selectin gene polymorphism and its association with clinical mastitis, somatic cell score, and milk production in Polish Holstein-Friesian cattle
SELL udder inflammation milk production traits cows
2018/11/23
Bovine mastitis is a widespread disease of the mammary gland, highly contributing to the increase in veterinary costs in dairy industry. In the present study, the genetic polymorphism within bovine L-...
Genetic Analysis of Milk Yield in First-Lactation Holstein Friesian in Ethiopia: A Lactation Average vs Random Regression Test-Day Model Analysis
Dairy Cattle Genetic Parameters Random Regression Test-Day Model Test-Day Records
2016/5/18
The development of effective genetic evaluations and selection of sires requires accurate estimates of genetic parameters for all economically important traits in the breeding goal. The main objective...
Prevalence of Lymphocyte Nuclear Pockets in Holstein-Friesian Dairy Cattle Infected with Bovine Leukemia Virus in Korea
BLV EBL Bovine Enzootic Pocket Leukemia
2016/4/19
The integral relationship between the occurrence of lymphocyte nuclear pockets (LNPs) and BLV-infection was examined in Holstein-Friesian dairy cattle in Korea. Transmission electron microscope (TEM) ...
Characteristics of Bovine Lymphoma Caused by Bovine Leukemia Virus Infection in Holstein-Friesian Dairy Cattle in Korea
BLV EBL Bovine Enzootic Gross Finding Leukemia
2016/4/19
The frequency and distribution of lymphoma caused by bovine leukemia virus (BLV) infection in various organs were investigated. Lymphoma samples were obtained from slaughtered cattle or from cattle su...
Odds Ratio and Probability of Conception of Holstein Friesian Dairy Cows in the Kingdom of Saudi Arabia
Conception Odd Ratio Holstein Cattle Logistic Regression
2016/4/18
Logistic Regression Analysis was used to compute the odds ratio (OR) and probability of conception of Holstein dairy cows of AL-MARAIE company. Data consisted of 103,778 reproductive records collected...
Genetic Studies and Development of Prediction Equations in Jersey×Sahiwal and Holstein-Friesian×Sahiwal Half Breds
Genetic Study Prediction Equations Jersey Holstein-friesian Sahiwal
2016/4/18
First lactation records (174) of Jersey횞Sahiwal and Holstein Friesian횞Sahiwal half breds under 9 sires maintained at Chandra Shekher Azad University of Agriculture and Technology, Kanpur...