Publications Scientifiques

[ Article ] Comparison of reproductive performances of local and improved pigs reared in south Benin

Date de soumission: 26-02-2021
Année de Publication: 2020
Entité/Laboratoire
Document type : Article
Discipline(s) :
Titre Comparison of reproductive performances of local and improved pigs reared in south Benin
Auteurs Dotché Ogoudanan Ignace [1], Bankolé Boris [2], DAHOUDA MOHAMADOU [3], BIOBOU RODRIGUE [4], BONOU Gabriel [5], Antoine-Moussiaux Nicolas [6], YOUSSAO ABDOU KARIM ISSAKA [6],
Journal: Tropical Animal Health and Production
Catégorie Journal: Internationale
Impact factor: 1.3
Volume Journal: 52
DOI: https://doi.org/10.1007/s11250-019-02058-y
Resume Benin’s domestic production of pork is deficient because of the animals’ low productivity. This study aimed to evaluate the zootechnical performances of pigs reared in south Benin. Data on zootechnical performances and reproduction management were collected from 63 farms in the departments of Ouémé and Plateau. These data were analyzed with SAS software, and the Fisher test was used for the significance of the breed, sex, and parity number effect on the zootechnical performances. It appears that estrus detection was mainly based on the observation of signs of vulvar changes and behavior of the sow. These estruses were detected at any time and without the boar. The local sows were mated as soon as estruses were detected while improved sows were mated 36 h after. The pregnancy detection was performed by control of return of estrus, 21 days after the mating by the majority (80.6%) of the respondents. The litter size, the number of piglets born alive, and the weaned piglets of improved sows were significantly higher (P < 0.001) than those of local sows. These parameters increased with the parity number until the 4th parity and decreased after. The litter size was highly correlated with the number of piglets born alive and weaned piglets. The farrowing interval was longer in local sows than in improved sows. The weights at birth, at 1 and 2 months old of improved piglets, were significantly higher than those of local piglets (P < 0.001). The knowledge of these performances will allow actions to be taken for their improvement.
Mots clés Pig , Zootechnical performances, Reproduction management , Benin
Pages 687 - 698
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