搜索结果: 1-15 共查到“理学 Milk Production”相关记录21条 . 查询时间(0.156 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
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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-...
Association between Microsatellite Markers and Milk Production Traits in Egyptian Buffaloes
relationship microsatellites milk yield milk composition bubaline genome
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2018/3/5
The objectives were to evaluate polymorphism in ten microsatellite markers and to demonstrate their association
with milk production traits in the Egyptian buffaloes, based on the cross-species trans...
Models for Estimating Genetic Parameters of Milk Production Traits Using Random Regression Models in Korean Holstein Cattle
Random Regression Model Test Day Yield Milk Production Heritability Holstein
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2016/5/20
The objectives of the study were to estimate genetic parameters for milk production traits of Holstein cattle using random regression models (RRMs), and to compare the goodness of fit of various RRMs ...
Characterizing Milk Production Related Genes in Holstein Using RNA-seq
RNA-seq Holstein Milk Production Meta-analysis Milk Yield Differentially Expressed Gene
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2016/5/19
Although the chemical, physical, and nutritional properties of bovine milk have been extensively studied, only a few studies have attempted to characterize milk-synthesizing genes using RNA-seq data. ...
The relationship between somatic cell count, milk production and six linearly scored type traits in Holstein cows
cattle linear evaluation of type traits somatic cell count milk production
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2015/6/4
Test-day records of somatic cell count (SCC), milk yield, fat and protein content and six linearly scored type traits (fore udder attachment, udder depth, central ligament, rear udder height, front te...
Effect of Vitamin E and Zinc Supplementation on Energy Metabolites, Lipid Peroxidation, and Milk Production in Peripartum Sahiwal Cows
Body Condition Score Glucose Nonesterified Fatty Acid Thiobarbituric Acid Reactive Substance Sahiwal Cows
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2016/5/12
The study was conducted to evaluate the effect of vitamin E and zinc supplementation on energy metabolites, lipid peroxidation, and milk production in peripartum Sahiwal cows. For this, thirty-two pre...
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...
Genetic and Economic Analysis for the Relationship between Udder Health and Milk Production Traits in Friesian Cows
Somatic Cell Count Udder Traits Mastitis Genetic Parameters Economic Milk Losses
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2016/5/9
A total of 4,752 monthly lactation records of Friesian cows during the period from 2000 to 2005 were used to estimate genetic parameters and to determine the effect of udder health on milk production ...
Water footprint analysis for the assessment of milk production in Brandenburg (Germany)
Water footprint analysis the assessment of milk production Brandenburg
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2010/9/10
The working group "Adaptation to Climate Change" at the Leibniz-Institute for Agricultural Engineering Potsdam-Bornim (ATB) is introduced. This group calculates the water footprint for agricultural pr...
Estimation of Genetic Parameters for Milk Production Traits Using a Random Regression Test-day Model in Holstein Cows in Korea
Random Regression Model Heritability Test-day Milk Production Traits Heterogeneity
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2016/4/29
This study was conducted to compare three models: two random regression models with and without considering heterogeneity in the residual variances and a lactation model (LM) for evaluating the geneti...
Genetic and Environmental Trends for Milk Production Traits in Sheep Estimated with Test-day Model
Sheep Milk Yield Fat and Protein Content Animal Model Genetic and Environmental Trends
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2016/4/28
Data from milk performance testing were used to analyze genetic and environmental trends for purebred Tsigai, Improved Valachian and Lacaune sheep. 103,715 (Tsigai), 212,962 (Improved Valachian) and 2...
Prepartum Feeding of Cationic or Anionic Diets to Holstein Cows Given 30 or 60 Day Dry Periods: Comparison of Dry Matter Intake, Physiological Measures and Milk Production
Cationic-anionic Diets Dairy Cows DCAD Milk Yield Periparturient Period
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2016/4/27
Eighty-four Holstein cows were used to evaluate effects of feeding two diets that differed in dietary cation-anion difference (cationic; +28 or anionic; -138 mEq/kg DM) on prepartum and postpartum dry...
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
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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...
Genetic Variation of Growth Hormone Gene and Its Relationship with Milk Production Traits in China Holstein Cows
China Holstein Cows Growth Hormone Gene PCR-RFLP Genetic Polymorphism Milk Production Traits
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2016/4/20
Associations were analysed between polymorphisms localized in intron 3 of the growth hormone gene (GH-MspI) and milk production traits of 543 China Holstein cows. A PCR-RFLP method was used for identi...
Effect of Alpha-lactalbumin Gene Polymorphism on Milk Production Traits in Water Buffalo
Alpha-lactalbumin Milk Production Traits Polymorphism Water Buffalo
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2016/4/20
A genetic study was conducted to elucidate the effect of alpha-Lactalbumin (?說똀) gene polymorphism on milk production traits involving total milk yield and daily milk yield during first lactati...