Tropicultura (Jan 2000)

Efficacité comparée de deux méthodes de maîtrise de la reproduction de la brebis Djalonké, variété 'Mossi'

  • Boly, H.,
  • Miaro III, L.,
  • Tamboura, H.,
  • Sawadogo, L.,
  • Sulon, J.,
  • Beckers, JF.,
  • Leroy, P.

Journal volume & issue
Vol. 18, no. 4
pp. 177 – 180

Abstract

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Estrous Synchronisation in Djalonke, var. 'Mossi' Ewes : Comparison of Hormonal Treatment and Ram Effect. Zootechnical (ram effect) and hormonal (Fluoro Gestone Acetate or FGA, and Pregnant Mare Serum Gonodotropin or PMSG) methods on estrous and parturition synchronisation were tested on 24 Djalonke var. 'Mossi' ewes. The use of ram jumping combined with plasma progesterone assay showed that the zootechnical method using male effect provides better estrous synchronisation (4.8 + 2.2 days for estrous delay) and better gathering of parturition (within 8 days). The hormonal method by FGA + PMSG provide good estrous synchronisation (3.1 + 20days) but lead to a weak lam-bing gathering (within 21 days). After hormonal induction of estrous, a lower fertility was observed and seems to be related to the doses of FGA and PMSG with were relatively high for these small format of Djalonke var. 'Mossi' breed.

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