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Macedonian Veterinary Review


p-ISSN 1409-7621
e-ISSN 1857-7415

Co-publishing with:
De Gruyter

Abstract / References

Original Scientific Article

The еffect of season and parity on the reproductive performance of sows
Stanimir Dimitrov1, Vesna Karapetkovska-Hristova2, Ljupce Kochoski2, Biljana Trajkovska2, Borche Makarijoski2, Vesna Prodanovska-Poposka2, Godswill Ntsomboh-Ntsefong3
1Department of Genetics, Breeding and Reproduction, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria
2Department of Biotechnology, Faculty of Biotechnical Sciences – Bitola, University „St. Kliment Ohridski“, Republic of Macedonia
3Institute of Agricultural Research for Development (IRAD-CEREPAH), B. P. 243 Douala, Cameroon


The aim of this study was to analyze the effect of season and number of parity on the reproductive performance of sows kept on a commercial farm. To achieve this objective, 800 nrs productive parent sows and a total of 958 parities were analyzed. The results show that sow’s breeding season had a significant effect on the weaning-to-oestrus interval, the farrowing rate, the litter size and weaning piglets with positive results during autumn, winter and spring seasons. The number of parity has a significant effect on the weaning-to-oestrus interval, litter size and weaning piglets with acceptable values in sows with more farrowing. The results of this study on a pig farm with analysis which highlights the risk factors associated with reproductive performance of sows, could be used to improve sow farm practices.
Key words: crossbreed sows, reproductive parameters, season, parity

Mac Vet Rev 2018; 41 (2): i-vi
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Available Online First: 15 July 2018

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