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Evaluation of gestation length and birth weight of offspring of Polish native cattle breeds in context of estimating genetic parameters
pregnancy birth body weight heritability native breed
2018/11/23
Research material included data on gestation length of 15 436 cows of Polish native breeds. These were: White Backed (BG; 324 records), Polish Red (RP; 5396 records), Polish Black and White (ZB; 3508 ...
Estimation of genetic parameters of fatty acids composition in flesh of market size common carp (Cyprinus carpio L.) and their relation to performance traits revealed that selective breeding can indirectly affect flesh quality
genetic correlations genetic improvement growth heritability slaughtering traits, supplemental feeding
2018/11/23
Fish are a rich source of omega-3 polyunsaturated fatty acids (n-3 PUFAs) and thus, they should be an integral part of human diet at least twice a week. As a result, high attention has been devoted to...
Bayesian inference of genetic parameters for reproductive and performance traits in White Leghorn hens
egg production fertility genetic correlation hatchability heritability
2018/11/23
This study estimated the genetic parameters for reproductive and performance traits and determined which ones can be used as selection criteria for egg production in laying hens using the Bayesian inf...
Genetic parameters for residual feed intake in a random population of Pekin duck
Genetic Parameters Residual Feed Intake Pekin Duck
2017/3/8
The feed intake (FI) and feed efficiency are economically important traits in ducks. To obtain insight into this economically important trait, we designed an experiment based on the residual feed inta...
Random Regression Models Using Legendre Polynomials to Estimate Genetic Parameters for Test-day Milk Protein Yields in Iranian Holstein Dairy Cattle
Holstein Dairy Cattle Milk Protein Yields Random Regression Model Test-day Records
2016/12/28
The objective of this study was to estimate the genetic parameters of milk protein yields in Iranian Holstein dairy cattle. A total of 1,112,082 test-day milk protein yield records of 167,269 first la...
Genetic Parameters of Milk β-Hydroxybutyric Acid and Acetone and Their Genetic Association with Milk Production Traits of Holstein Cattle
Ketosis Milk β-Hydroxybutyrate Milk Acetone Milk Composition Genetic Parameters
2016/11/10
This study was conducted to estimate the genetic parameters of β-hydroxybutyrate (BHBA) and acetone concentration in milk by Fourier transform infrared spectroscopy along with test-day milk production...
Estimation of Genetic Parameters for First Lactation Monthly Test-day Milk Yields using Random Regression Test Day Model in Karan Fries Cattle
Test-day Milk Yield Random Regression Model Heritability Genetic Correlation Karan Fries Cattle
2016/7/27
A single trait linear mixed random regression test-day model was applied for the first time for analyzing the first lactation monthly test-day milk yield records in Karan Fries cattle. The test-day mi...
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
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 ...
Variance Components and Genetic Parameters Estimated for Fat and Protein Content in Individual Months of Lactation: The Case of Tsigai Sheep
Sheep Milk Composition Test Day Model Variance Ratios Heritability Genetic Correlations
2016/5/19
The objective of this study was to assess variance components and genetic parameters for fat and protein content in Tsigai sheep using multivariate animal models in which fat and protein content in in...
Estimation of Genetic Parameters and Trends for Length of Productive Life and Lifetime Production Traits in a Commercial Landrace and Yorkshire Swine Population in Northern Thailand
Genetic Parameters Length of Productive Life Lifetime Production Traits Swine Tropics
2016/11/10
The objective of this research was to estimate genetic parameters and trends for length of productive life (LPL), lifetime number of piglets born alive (LBA), lifetime number of piglets weaned (LPW), ...
Comparison of models to estimate genetic parameters for scores of competitive sport horse events in the Czech Republic
show jumping sport horses breeding value random regression model multi-trait model
2015/10/9
The objective of the present study was to estimate genetic parameters and predict breeding values of sport horses in the Czech Republic using animal model variations. The data set for the evaluation w...
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...
Changes over time in genetic parameters for growth in bulls and assessment of suitability of test methods
gain genetic analysis progeny test
2015/7/3
Objectives of the study were to examine alternative measures of growth potential of bulls in testing stations, determine whether genetic parameter estimates of such traits changed over time, and exami...
Comparison of models for estimating genetic parameters and predicting breeding values for birth weight and calving ease in Czech Charolais cattle
beef cattle dystocia data transformation
2015/7/2
The most appropriate model for genetic parameters estimation for calving ease and birth weight in beef cattle was selected. A total of 27 402 field records were available from the Czech Charolais bree...
Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs
total number of piglets born number of piglets weaned lean meat content average daily gain heritability genetic correlation REML
2015/6/24
Genetic parameters for total number of piglets born per litter, number of piglets weaned per litter, lean meat content, and average daily gain from birth till the end of the field test were estimated ...