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Estimation of breeding values for functional productive life in the Slovak Holstein population
cattle longevity survival analysis risk ratio
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2015/7/3
Genetic evaluation of length of functional productive life was carried out using a Weibull proportional hazard sire-maternal grandsire model. The database included 405 624 Holstein cows with 19.24% ce...
The algorithm of Bayesian estimation of maternal genetic and permanent maternal environmental variances in a two-trait binary threshold model
binary traits genetic effects Gibbs sampling
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2015/6/5
The paper presents an algorithm for the estimation and prediction of parameters in a two-trait binary threshold model. The model includes fixed effects and the following random effects: genetic direct...
Improvement of accuracy in the estimation of lean meat content in pig carcasses
pig dissection lean meat content prediction formula SEUROP classification
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2015/6/5
Fat thickness including skin and muscle depth measured on the left carcass side between the second and third from the last rib 70 mm off the dorsal midline were measured in a total of 168 pig hybrid c...
Estimation of Rumen Microbial Protein Supply Using Urinary Purine Derivatives Excretion in Crossbred Calves Fed at Different Levels of Feed Intake
Crossbred Calves Levels of Feed Intake Purine Derivatives Microbial Protein Supply
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2016/4/26
A study was carried out to study the response of total purine derivatives (PD) excretion in urine to determine microbial N (MN) supply at four fixed levels of feed intake (namely 95, 80, 60 and 40% of...
Estimation of Rumen Gas Volume by Dilution Technique in Sheep Given Two Silages at Different Levels of Feeding
Rumen Gas Dilution Technique Fasting Silage Sheep
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2016/4/12
The gas dilution technique was used to evaluate the possibility of estimating the volume of gaseous phase in the rumen from its composition in sheep given rice whole crop silage (RWS) or dent corn sil...