搜索结果: 1-11 共查到“家畜繁殖学 milk production”相关记录11条 . 查询时间(0.031 秒)
Black gram (Vigna Mungo L.) foliage supplementation to crossbred cows: effects on feed intake, nutrient digestibility and milk production
Black Gram Foliage Intake Nutrient Digestibility Milk Yield Cows
2017/3/8
An experiment was conducted to examine the effect of dietary supplementation of dried and ground foliage of black gram (Vigna mungo L.) on feed intake and utilization, and production performance of cr...
Genetic parameters for female fertility and milk production traits in first-parity Czech Holstein cows
dairy cattle reproduction production
2015/6/23
The aim of this study was to estimate genetic parameters for female fertility and production
traits in first-parity Czech Holstein cows and to quantify the effect of using this information on the ac...
Effects of Propylene Glycol on Milk Production, Serum Metabolites and Reproductive Performance during the Transition Period of Dairy Cows
Dairy Cows Propylene Glycol Milk Production Serum Metabolites
2016/5/4
The objective of this study was to investigate the effects of an oral drench of propylene glycol (PG) on milk production, serum metabolites and reproductive performance during the transition period of...
Interrelationships of growth hormone AluI polymorphism, insulin resistance, milk production and reproductive performance in Holstein-Friesian cows
growth hormone AluI polymorphism dairy cow
2015/3/17
Healthy multiparous Holstein-Friesian cows (n = 22, parity: 2–4) from a large-scale dairy herd in
Hungary were subjected to an intravenous glucose tolerance test 10–15 days after calving. AluI genot...
Variance Component Estimates with Dominance Models for Milk Production in Holsteins of Japan Using Method R
Method R Additive Variance Dominance Variance Sire by Herd Interaction Inbreeding Depression Milk Production, Holstein
2016/4/21
Fractions of herd-year-season, sire by herd interaction, additive genetic and dominance genetic variances were estimated for milk production traits in Holsteins of Japan using Method R. Inbreeding dep...
Definition of subgroups for fixed regression in the test-day animal model for milk production ofHolsteincattle in theCzech Republic
test-day model with random regression fixed regression subgroups lactation curves milk yield dairy cattle
2015/6/1
The investigation was based on roughly 3.9, 2.7 and 1.7 million test-day records from first, second and third lactation, respectively, sampled from 596 200 Czech Holstein cows between the years 1991 a...
THE INFLUENCE OF MARKERS CSN3 AND ETH10 ON MILK PRODUCTION PARAMETERS IN CZECH PIED CATTLE
cattle breeding milk production CSN3 ETH10
2010/11/30
There were observed milk production parameters in 5506 daughters of 37 Czech Pied cattle sires in our study. Sires were genotyped for markers CSN3 and ETH10. The aim was to find relation between genet...
Body Weight Change, Milk Production and Reproductive Parameters in Suckled vs. Non-suckled Awassi Ewes
Awassi Sheep Suckling Postpartum Reproduction
2016/4/18
The objective of this study was to identify the effect of early weaning on body weight change, milk production and the return to estrus in Awassi ewes. Twenty multiparous winter-lambing Awassi ewes we...
Disposal Pattern and Its Impact on Milk Production and Herd Size in Karan Fries and Karan Swiss Cows
Culling Voluntary Involuntary Karan Fries Karan Swiss
2016/4/18
Data on 958 Karan Fries (KF) and 780 Karan Swiss (KS) cows, born during 1974 to 1992 at National Dairy Research Institute, Karnal were evaluated for causes of culling and their impact on milk performa...
Reproduction of Cross- and Purebred Friesian Cattle in Northern Thailand with Special Reference to Their Milk Production
Reproduction Milk Production Crossbred Friesian Cow Thailand
2016/4/13
Reproductive data, such as numbers of days to the first estrus and A.I. service postpartum, number of days to conception, number of A.I. services required for conception, interval between the first es...
Milk Production, Blood Metabolites and Circulatory Levels of Hormones in Crossbred Goats
Awassi Estrus Synchronization Fluorogestone Acetate Medroxyprogesterone Acetate PMSG Lambing Rate
2016/4/11
Eighteen crossbred goats were selected from the Institute''''''''s goat herd to determine the changes in hormones, blood metabolites and yield and composition of milk during lactation. The blood and m...