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2018, vol. 24, iss. 2, pp. 10-15
Fertility of sows of different genotypes on individual farms in regions suitable for intensive pig production
Institute for Animal Husbandry, Belgrade-Zemun

emailvladimirzivkovic_87@yahoo.com
Project:
Implementation of various rearing – selection and biotechnological methods in breeding of pigs (MESTD - 31081)

Abstract
On the territory of the Mačva and Braničevo region, reproductive properties for 1902 litters were monitored in 6 pig genotypes: Swedish Landrace (SL), Large White (LW) and crosses - SL x LW, LW x SL, German Landrace (GL) x LW and LW x GL. The following parameters were observed: number of live-born piglets in the litter, number of stillborn piglets in the litter, number of piglets reared per litter, duration of lactation (days), and litter mass at weaning (kg). All sows were reared on medium size and large farms (from 20 to 120 sows). The highest number of live-born piglets was determined for LW genotype (12.39), as well as the highest number of piglets reared per litter (11.32), while the highest number of stillborn piglets was found in sows SL x LW and GL x LW (0.50). The lactation duration was the highest in genotype LW x SL (34 days), while the greatest mass of the litter was determined in sows of the LW genotype - 93.42kg. Observing the region as a factor, it was found that all investigated parameters vary statistically significant (P<0.01), except for the mass of the litter at weaning. The Braničevo region had better results for the following parameters: the number of live-born piglets, the number of stillborn piglets, while the Mačva region showed a higher number of reared piglets, a shorter lactation duration with a higher mass of litter at weaning. By testing of the significance, it has been established that the breed highly statistically significantly (P<0.01) affects all the parameters tested except for the number of live-born piglets.
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article language: Serbian
document type: Original Scientific Paper
DOI: 10.5937/SelSem1802010Z
published in SCIndeks: 01/02/2019
Creative Commons License 4.0

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