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Random Regression Models Using Legendre Polynomials to Estimate Genetic Parameters for Test-day Milk Protein Yields in Iranian Holstein Dairy Cattle
Holstein Dairy Cattle Milk Protein Yields Random Regression Model Test-day Records
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2016/12/28
The objective of this study was to estimate the genetic parameters of milk protein yields in Iranian Holstein dairy cattle. A total of 1,112,082 test-day milk protein yield records of 167,269 first la...
Investigations on Genetic Architecture of Hairy Loci in Dairy Cattle by Using Single and Whole Genome Regression Approaches
Genome Wide Association Analyses Discordant Sib Pair Analyses Whole Genome Regression Analyses
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2016/7/27
Development of body hair is an important physiological and cellular process that leads to better adaption in tropical environments for dairy cattle. Various studies suggested a major gene and, more re...
Differences in Voluntary Cow Traffic between Holstein and Illawarra Breeds of Dairy Cattle in a Pasture-based Automatic Milking System
Breed Voluntary Cow Traffic Automatic Milking System
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2016/5/16
Automatic milking systems (AMS) rely upon voluntary cow traffic (the voluntary movement of cattle around a farm) for milk harvesting and feed consumption. Previous research on conventional milking sys...
Accurate Estimation of Effective Population Size in the Korean Dairy Cattle Based on Linkage Disequilibrium Corrected by Genomic Relationship Matrix
Linkage Disequilibrium Dairy Cattle Effective Population Size SNP
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2016/5/12
Linkage disequilibrium between markers or genetic variants underlying interesting traits affects many genomic methodologies. In many genomic methodologies, the effective population size (Ne) is import...
Variance Components and Genetic Parameters for Milk Production and Lactation Pattern in an Ethiopian Multibreed Dairy Cattle Population
Genetic Parameters Milk Yield Multibreed Tropics
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2016/5/12
The objective of this study was to estimate variance components and genetic parameters for lactation milk yield (LY), lactation length (LL), average milk yield per day (YD), initial milk yield (IY), p...
奶牛和肉牛6个STR基因座遗传多态性研究The Polymorphism Distributions of Six STR Loci in Dairy Cattle and Beef Cattle
STR基因座 牛 遗传多态性
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2008/1/8
摘要
利用PCR技术和复合电泳银染技术检测奶牛和肉牛BM2113、BM1862、BMc701、BM2934、TGLA122、BM720等6个STR基因座的多态性分布，并计算该6个基因座的基因频率（Pi）、个体鉴别力（DP）、杂合度（H）、多态信息含量（PIC）、和非父排除概率（PE）。结果显示：6个STR基因座的基因型分布符合Hardy-Weinberg平衡，奶牛中6个STR基因座中BM2113...
微卫星标记与奶牛数量性状QTL定位Mapping Quantitative Trait Loci for Quantitative Traits in Dairy Cattle Using Microsatellite Markers
奶牛 数量性状基因座 微卫星标记
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2007/12/30
摘要本文对奶牛产奶性能（产奶量、乳脂率、乳脂量、蛋白率、蛋白量）、乳房炎及体细胞数、繁殖性能、生产寿命等数量性状QTL定位研究进展进行了综述。
Abstract:Mapping of quantitative trait loci for some important traits (milk yield,fat percentage,fat yield,protein percentage,p...
Estimation of Ruminal Degradation and Intestinal Digestion of Tropical Protein Resources Using the Nylon Bag Technique and the Three-step In vitro Procedure in Dairy Cattle on Rice Straw Diets
Rumen Degradability Rumen By-pass Protein In sacco Three-step Technique Protein Sources Digestibility Rice Straw Cassava Hay
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2016/4/27
The experiment was carried out using fistulated multiparous Holstein Friesian crossbred (75% Holstein Friesian and 25% Red Sindhi) dairy cows in their dry period fed on untreated rice straw to evaluat...
Year-round Monitoring of Verotoxin-producing Escherichia coli from Feces of Dairy Cattle
Dairy Cattle Feces Verotoxin Genes Escherichia coli PCR Detection Diet Change
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2016/4/25
A PCR-aided monitoring of verotoxin-producing Escherichia coli (VTEC) was performed over the period of 12 months by using fresh feces collected monthly from 5 dairy cows that had been identified as VT...
Association between SNPs within Prolactin Gene and Milk Performance Traits in Holstein Dairy Cattle
Holstein Dairy Cattle Prolactinx Prolactin Haplotype SNPs Milk Performance Traits
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2016/4/22
Prolactin plays an important role in mammary gland development, milk section initiation and maintenance of lactation, so the bovine prolactin gene is considered as a potential quantitative trait locus...
Prevalence of Lymphocyte Nuclear Pockets in Holstein-Friesian Dairy Cattle Infected with Bovine Leukemia Virus in Korea
BLV EBL Bovine Enzootic Pocket Leukemia
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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
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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...
Molecular Characterisation of the Mafriwal Dairy Cattle of Malaysia Using Microsatellite Markers
Mafriwal Dairy Cattle Microsatellite Genotype Gene Frequency
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2016/4/18
The Mafriwal dairy cattle was developed to meet the demands of the Malaysian dairy Industry. Although there are reports on its production and reproductive performance, there has been no work on its mo...
Relationships between Distribution of Number of Transferable Embryos and Inbreeding Coefficient in a MOET Dairy Cattle Population
Holstein MOET Transferable Embryos Family Size Inbreeding Coefficient Genetic Gain
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2016/4/12
Genetic gains and inbreeding coefficients in a Holstein MOET breeding population were predicted under different conditions relating to the distribution of the number of transferable embryos collected ...