Multivariate characterization of morphological traits in Burkina Faso sheep

Traoré Amadou, Tamboura H.H., Kaboré Adama, Royo L.J., Fernandez I., Alvarez I., Sangaré M., Bouchel Didier, Poivey Jean-Paul, François D., Toguyemi A., Sawadogo Laya, Goyache F.. 2008. Multivariate characterization of morphological traits in Burkina Faso sheep. Small Ruminant Research, 80 (1-3) : pp. 62-67.

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Abstract : A total of 6440 female sheep from Burkina Faso were scored for seven body measurements and four qualitative morphological traits. Sampling included the three main environmental areas and sheep breeds of Burkina Faso: the Sahel area (Burkina-Sahel sheep), the Sudan- Sahel area (Mossi sheep) and the Sudan area (Djallonké sheep). Canonical analyses showed that differences in body measurements between the Sudan and the Sudan-Sahel sheepwere small even though most body traits showed higher average values in the Burkina-Sahel sheep: the shortest Mahalanobis distance was found between the Sudan and the Sudan- Sahel populations (1.54), whilst that between the Sudan and the Sahelian populations was the largest (7.88). Discriminant analysis showed that most Sudan (Djallonké) individuals (60.85%)were classified as Sudan-Sahel (Mossi) individuals whilst most Burkina-Sahel individualswere classified into their environmental area of sampling (89.46%). Correspondence analyses indicated that the Burkina-Sahel sheep population clustered together with dropping ears, black and brown colour patterns and presence of wattles, the Sudan sheep were closely associated with long hair and vertical and curled ears and that the Sudan-Sahel sheep did nothave clear associations with qualitative phenotypic traits.At the morphological level, the Sudan-Sahel (Mossi) sheep population can be considered a geographical subpopulation belonging to the Djallonké breed, showing some particularities, namely larger body size, due to the particular environmental condition of the area in which it is managed and a continuous gene flow from Sahelian sheep, The information reported in this study will be the basis for the establishment of further characterization, conservation and selection strategies for Burkina Faso sheep. (Résumé d'auteur)

Mots-clés Agrovoc : Ovin, Conformation animale, Variation génétique, Amélioration des animaux, Ressource génétique animale

Mots-clés géographiques Agrovoc : Burkina Faso

Classification Agris : L40 - Animal structure

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Traoré Amadou, INERA (BFA)
  • Tamboura H.H., INERA (BFA)
  • Kaboré Adama, INERA (BFA)
  • Royo L.J., SERIDA (ESP)
  • Fernandez I., SERIDA (ESP)
  • Alvarez I., SERIDA (ESP)
  • Sangaré M., CIRDES (BFA)
  • Bouchel Didier, ISRA (SEN)
  • Poivey Jean-Paul, CIRAD-ES-UPR Systèmes d'élevage (FRA)
  • François D., INRA (FRA)
  • Toguyemi A., CIRDES (BFA)
  • Sawadogo Laya, Université de Ouagadougou (BFA)
  • Goyache F., SERIDA (ESP)

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