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Effect of season and parity on litter size and preweaning piglet mortality



Effect of season and parity on litter size and preweaning piglet mortality



Archivos de Zootecnia 42(159): 339-346



Data on 1087 farrowings of 228 crossbred sows were analysed. Season of farrowing had no significant effect on the number of liveborn piglets per litter (9.61-10.0), but preweaning mortality was significantly higher for piglets born in autumn or winter (19.41 and 14.63% respectively) than in spring or summer (12.06 and 12.99%). Litter size increased with increasing parity (from 8.44 in 1st to 11.94 in the 8th farrowing).

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Accession: 002604258

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