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Effects of Protected Conjugated Linoleic Acid Supplementation on Milk Fatty Acid in Dairy Cows
Protected Conjugated Linoleic Acid Plasma Fatty Acid Milk Cows
2016/4/28
The objective was to determine the effects of supplementation of protected conjugated linoleic acid (CLA), CLA-20 comprising 10% each of cis-9, trans-11 and trans-10, cis-12, on milk production and fa...
Effects of Soybean Oil or Rumen Protected Conjugated Linoleic Acid Supplementation on Accumulation of Conjugated Linoleic Acid in Dairy Cows’ Milk
Conjugated Linoleic Acid Rumen-protected Conjugated Linoleic Acid Soybean Oil Fatty Acid Milk Production and Composition
2016/4/28
The effects of feeding soybean oil (SBO) or rumen protected conjugated linoleic acid (RP-CLA) on CLA accumulation in milk, and performance of lactating dairy cows were studied. Twenty four Holstein Fr...
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
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
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
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
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
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...
Effects of Varying Levels of Whole Cottonseed on Blood, Milk and Rumen Parameters of Dairy Cows
Whole Cottonseed Dairy Cow Rumen Blood
2016/4/21
Four lactating Holstein cows were used in a 4횞4 Latin-square design to determine the effects of various levels of whole cottonseed (WCS) in diets on parameters including milk (yield and fat con...
Effects of Urea Level and Sodium DL-malate in Concentrate Containing High Cassava Chip on Ruminal Fermentation Efficiency, Microbial Protein Synthesis in Lactating Dairy Cows Raised under Tropical Condition
Urea Sodium DL-malate Rumen Fermentation Cassava Chip Urea-treated Rice Straw Tropical Dairying
2016/4/21
Four, lactating dairy cows were randomly assigned according to a 2횞2 Factorial arrangement in a 4횞4 Latin square design to study supplementation of urea level (U) at 2 and 4% and sodium ...
Relationship between the Polymorphisms of 5''Regulation Region of Prolactin Gene and Milk Traits in Chinese Holstein Dairy Cows
Prolactin (PRL) PCR-RFLP PCR-SSCP Milk Traits
2016/4/21
Prolactin (PRL) plays an important role in promoting mammalian mammary gland development, and milk production during lactation. Therefore the PRL gene was chosen as a candidate gene for milk traits in...
Dietary Fatty Acid Supplementation during Transitional Period Increases Milk Production in Dairy Cows
Dairy Cows Dietary Fatty Acids Milk Production Milk Composition Plasma Constituents
2016/4/19
The effect of dietary fatty acid supplementation on milk production, milk composition and plasma constituents in dairy cows was examined. Dietary fatty acids including mainly palmitic acid and stearic...
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) ...
Postpartum Reproductive Management Based on the Routine Farm Records of a Dairy Herd: Relationship between the Metabolic Parameters and Postpartum Ovarian Activity
Dairy Herd Reproductive Management Metabolic Parameters Ovarian Activity
2016/4/19
The aim of this study was 1) to confirm the practical efficiency of a routine milk P4 monitoring system for postpartum reproductive management of a dairy herd, and 2) to evaluate the relationship betw...
Polymorphism of the Promoter Region of Hsp70 Gene and Its Relationship with the Expression of HSP70mRNA, HSF1mRNA, Bcl-2mrna and Bax-AMrna in Lymphocytes in Peripheral Blood of Heat Shocked Dairy Cows
Polymorphism hsp70 Gene Dairy Cow HSP70mRNA HSF1mRNA Bcl-2mRNA
2016/4/19
The blood samples were collected from dairy cows at the same milking stage. The single-strand conformation polymorphism (PCR-SSCP) method was used to analyze for polymorphism at the 5`-flanking region...
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...