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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), ...
Estimation of breeding values for functional productive life in the Slovak Holstein population
cattle longevity survival analysis risk ratio
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...
Factors affecting the functional length of productive life in Slovak Pinzgau cows
cattle functional traits longevity survival analysis risk ratio
2015/6/5
A proportional hazard model was used to analyze the impact of the most important factors on the length of productive life in 44 796 Slovak Pinzgau cows. The calculations were carried out with Survival...
Genetic evaluation of the length of productive life in Holstein cattle in the Czech Republic
length of productive life cattle survival analysis heritability
2015/6/1
Survival Kit V3.12 was used to analyse the length of productive life of cattle in theCzechRepublic. The data set consisted of 230 028 registeredHolstein cows. The model included the time-dependent eff...