Influence de lâAlimentation sur les Caracteristiques de Reproduction de la Brebis Barbarine

N. Lassoued; G. Khaldi

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Influence de lâAlimentation sur les Caracteristiques de Reproduction de la Brebis Barbarine

In: Livestock in the mediterranean cereal production systems

Authors:

N. Lassoued

N. Lassoued INRAT 2080 Ariana, Tunisie

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G. Khaldi

G. Khaldi INRAT 2080 Ariana, Tunisie

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Type:: Chapter

Pages:: 130â132

DOI:: https://doi.org/10.1163/9789004684607_022

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RÃ©sumÃ©

Le but de ce travail est dâÃ©tudier lâinfluence du niveau alimentaire pendant les 12 derniÃ¨res semaines de gestation et les 18 premiÃ¨res semaines de lactation chez les femelles ovines de race Barbarine sur leur rÃ©ponse Ã lâeffet mÃ¢le au printemps. Cent quarante brebis adultes sont rÃ©parties en fonction de leur niveau alimentaire, en deux lots H et B (haut et bas) avant la parturition et en quatre sous lots aprÃ¨s la mise-bas: HH, HB, BH, BB. Les rÃ©sultats montrent que la rÃ©ponse des brebis Ã lâeffet bÃ©lier ne dÃ©pend pas de leur niveau alimentaire pendant la gestation et la lactation Ã condition quâelles soient bien alimentÃ©es entre le sevrage et la lutte. Par ailleurs, la sous-alimentation pendant la gestation et /ou la lactation diminue la proportion de femelles cycliques et augmente la proportion des cycles courts induits. Dâautre part, lâinfluence du flushing sur le taux dâovulation est mis en Ã©vidence dans le lot BB qui montre le taux le plus Ã©levÃ©.

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Livestock in the mediterranean cereal production systems

Proceedings of the International Symposium organized by EAAP, CIHEAM and ANPA, Rabat

E-Book ISBN:: 9789004684607

Publisher:: Wageningen Academic

Print Publication Date:: 01 Jan 1992

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Influence de lâAlimentation sur les Caracteristiques de Reproduction de la Brebis Barbarine

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Livestock in the mediterranean cereal production systems

Proceedings of the International Symposium organized by EAAP, CIHEAM and ANPA, Rabat

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Influence de lâAlimentation sur les Caracteristiques de Reproduction de la Brebis Barbarine