Phenotypic variability of fertility traits of pure breed sows in three first farrowings
2007
Radojkovic, D., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture | Petrovic, M., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture | Mijatovic, M., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture | Radovic, C., Institute for Animal Husbandry, Belgrade - Zemun (Serbia)
Investigation of the phenotypic variability of fertility traits was performed on Swedish Landrace sows (926 sows) deriving from single herd in Serbia. Data was processed by method of least squares (Harvey, 1990), and following fixed factors were included into the model: sire, season, litter genotype and order of farrowing, as well as regression effect of age at the first farrowing, duration of lactation, and number of reared (raised) piglets per litter.
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