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An observational study of lambs perinatal mortality in two different agroecological areas in Senegal

Lancelot R., Ndiaye M., Lesnoff M.. 2000. In : M. Salman, P.S. Morley , R. Gallie. Proceedings of the 9th Symposium of the International Society for Veterinary Epidemiology and Economics, Breckenridge, Colorado, 06-11 August 2000. s.l. : s.n., 3 p.. ISVEE Symposium. 9, 2000-08-06/2000-08-11, Breckenridge (Etats-Unis).

Perinatal mortality is a major constraint in African sheep-farming systems 1. Though sheep is an important animal production in Senegal (4.3 106 heads in 1999, FAO estimate), few information is available on this topic. As a part of a broader study on sheep-farming systems in Senegal, a prospective survey was conducted to assess lambs perinatal mortality in 2 extensive systems. Because nutrition was a limiting factor for sheep productivity, 3 nutritional risk factors were evaluated: ewes bodycondition score at lambing (BCS), ewes-postpartum weight (PPW) and litter size.

Mots-clés : agneau; mort du foetus; système de pâturage; alimentation des animaux; méthode d'élevage; agroécosystème; sénégal

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