搜索结果: 1-9 共查到“家畜育种学 milk production”相关记录9条 . 查询时间(0.146 秒)
Effects of Protein Level and Mangosteen Peel Pellets (Mago-pel) in Concentrate Diets on Rumen Fermentation and Milk Production in Lactating Dairy Crossbreds
Protein Level Mangosteen Peel Pellets Rumen Fermentation Milk Production Dairy Crossbreds
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2016/5/10
Four, lactating dairy crossbreds (50%×50% Holstein Friesian×Native Zebu cattle) were randomly assigned according to a 2×2 factorial arrangement (two protein levels and two levels of mangosteen peel pe...
Associations between the bovine PPARGC1A gene and milk production traits
cattle PPARGC1A gene PCR-RLP milk traits
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2015/6/8
The aim of this study was to investigate associations between PPARGC1A genotypes and haplotypes and milk production traits. The study included 181 Jersey cows. The genotypes were identified by the PCR...
The relation of GH1, GHR and DGAT1 polymorphisms with estimated breeding values for milk production traits of German Holstein sires
bovine GH1 GHR DGAT1 milk production breeding value Holstein
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2015/6/5
We analysed the relations of estimated breeding values (EBV) of 315 German Holstein sires to their genotypes in growth hormone gene (GH1), growth hormone receptor gene (GHR) and acylCoA-diacylglycerol...
An economic impact of inbreeding in the purebred population of Pinzgau cattle in Slovakia on milk production traits
endangered breed selection index breeding value inbreeding
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2015/6/4
An increase of inbreeding in a small, endangered population is one of the important criterions in the evaluation of the degree of endangerment of the given breed. The aim was to determine an economic ...
Joint effects of CSN3 and LGB genotypes and their relation to breeding values of milk production parameters in Czech Fleckvieh
cattle kappa-casein beta-lactoglobulin milk production parameters breeding values
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2015/6/4
The objective of this study was to estimate the joint effects of CSN3 and LGB genotypes on breeding values of milk production parameters. CSN3 (kappa-casein) and LGB (beta-lactoglobulin) genotypes of ...
Influence of Sunflower Whole Seeds or Oil on Ruminal Fermentation, Milk Production, Composition, and Fatty Acid Profile in Lactating Goats
Fatty Acid Profile Lactating Goats Milk Composition Sunflower Seeds Sunflower Oil
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2016/5/18
This study aimed to investigate the effect of sunflower seeds, either as whole or as oil, on rumen fermentation, milk production, milk composition and fatty acids profile in dairy goats. Fifteen lacta...
Effects of Using Monensin and Different Levels of Crude Protein on Milk Production, Blood Metabolites and Digestion of Dairy Cows
Monensin Crude Protein Blood Parameters Milk Production Dairy Cow
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2016/5/5
Twenty-four Holstein dairy cows were used to evaluate the single and combined effects of different levels of crude protein (CP) and monensin treatment during early lactation on blood metabolites, milk...
QTL Identification Using Combined Linkage and Linkage Disequilibrium Mapping for Milk Production Traits on BTA6 in Chinese Holstein Population
Fine Mapping QTL Bos Taurus autosome 6 Milk Production Traits
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2016/5/5
Milk production traits are important economic traits for dairy cattle. The aim of the present study was to refine the position of previously detected quantitative trait loci (QTL) on bovine chromosome...
RELATIONSHIPS BETWEEN BODY MEASUREMENT OF DAIRY CALVES AT SIX MONTH OF AGES AND AGE AT FIRST CALVING AND MILK PRODUCTION
cattle milk production body measurement
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2010/11/30
In this research, the relationships of between body measurements such as heart girth, body length, height at withers and chest depth at six month of ages of calves and their age at first calving and t...