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

[en] 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. © 2019, Springer Nature B.V.

Disciplines :

Animal production & animal husbandry

Author, co-author :

Dotché, I. O.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Bankolé, C. B. O.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Dahouda, M.; Department of Animal Production, Faculty of Agronomic Science, University of Abomey-Calavi, BP 526, Cotonou, 01, Benin

Biobou, R.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Bonou, G. A.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Antoine-Moussiaux, Nicolas ; Université de Liège - ULiège > Dpt. de gestion vétérinaire des Ressources Animales (DRA) > Biostatistique, économie, sélection animale

Dehoux, Jean-Paul ; Université Catholique de Louvain - UCL

Thilmant, Pierre ; Université de Liège - ULiège > FARAH

Mensah, G. A.; Agricultural Research Center of Agonkamey, National Institute of Agricultural Research of Benin, BP 884, Cotonou, 01, Benin

Koutinhouin, B. G.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Youssao Abdou Karim, I.; Department of Animal Production and Health, Laboratory of Animal Biotechnology and Meat Technology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, BP 2009, Cotonou, 01, Benin

Language :

English

Title :

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

Publication date :

2020

Journal title :

Tropical Animal Health and Production

ISSN :

0049-4747

eISSN :

1573-7438

Publisher :

Springer

Volume :

Issue :

Pages :

687-698

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

ARES - Académie de Recherche et d'Enseignement Supérieur

Available on ORBi :

since 10 November 2020

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