搜索结果: 1-12 共查到“家畜繁殖学 Genetic Parameters”相关记录12条 . 查询时间(0.117 秒)
Estimation of genetic parameters for reproductive traits in Mehraban sheep
heritability genetic correlation
2015/7/7
Studied traits were litter size at birth (LSB), litter size at weaning (LSW), litter mean weight per lamb born
(LMWLB), litter mean weight per lamb weaned (LMWLW), total litter weight at birth (TLWB...
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...
Genetic parameters including the service sire effect for the sow traits stillbirth and piglet losses in Czech Large White and Landrace
pig reproduction
2015/6/23
Genetic parameters including the proportion of variance for the service sire effect were estimated
for number of piglets stillborn (including piglets died until 24 h after birth) and number of pigle...
Estimation of genetic parameters of reproductive traits in Zandi sheep using linear and threshold models
reproductive traits genetic parameters
2015/6/23
Genetic parameters were estimated for four basic and two composite traits. Year of lambing
and age of ewe were used as fixed effects. Due to repeated record of ewe animal direct genetic effect...
Genetic Parameters of Reproductive and Meat Quality Traits in Korean Berkshire Pigs
Berkshire Genetic Parameter Heritability Repeatability Genetic Correlation
2016/5/18
Genetic parameters of Berkshire pigs for reproduction, carcass and meat quality traits were estimated using the records from a breeding farm in Korea. For reproduction traits, 2,457 records of the tot...
Genetic parameters of live body weight, body measurements, greasy fleece weight, and reproduction traits in Makuie sheep breed
direct and maternal effects heritability
2014/10/28
Genetic parameters of production and reproduction traits were estimated using 39,926 records from 5,860 individual progenies of 163 sires and 1,558 dams. The data were collected at Makuie Sheep Breedi...
Genetic parameters for litter size in Black Slavonian pigs
multiple trait model random regression model
2014/10/23
The objective of this study was to estimate genetic parameters for litter size of Black Slavonian pigs using the repeatability, multiple trait, and random regression models, and to consider the possib...
Estimation of Genetic Parameters for Four Reproduction Component Traits in Two Chinese Indigenous Pig Breeds
Sow Reproduction Component Trait Heritability Genetic Correlation
2016/4/28
The reproduction component traits are important components of sow efficiency. The objective of this study was to evaluate the phenotypic and genetic parameters of four reproduction component traits (a...
Genetic parameters for Finnish blue fox population: litter size, age at first insemination and pelt size
fertility fur animals genetic correlations heritability pelt size variance components
2010/8/9
Pelt size has increased rapidly in the Finnish blue fox population during the last decade. However, average number of pups per mated female has slightly decreased after the mid-1990抯. In this study we...
Genetic parameters for a joint genetic evaluation of production and reproduction traits in pigs
pig production traits reproduction traits multi-trait animal model genetic parameters
2015/6/1
The covariance structure was estimated by REML for a joint genetic evaluation of production and reproduction traits for Czech Landrace (58 258 records) and Czech Large White (167 161 records) pigs usi...
Genetic parameters for test-day model with random regressions for production traits of Czech Holstein cattle
test-day yields random regression model genetic parameters Czech Holstein cattle
2015/6/1
Multiple-lactation random regression model was applied to test-day records of milk, fat and protein yields in the first three lactations of the Czech Holstein breed. Data included 9 583 cows, 89 584, ...
Estimation of Genetic Parameters for Reproductive Traits between First and Later Parities in Pig
Pig Reproductive Traits Parities Genetic Parameters
2016/4/20
The objective of this study was to estimate genetic parameters between first and later parities as different traits in reproductive traits of pigs using multiple trait animal model procedures. Data re...