Thewis, A. text Paris INRA Editions c2005 monographic xvii, 637 p. : ill. ; 24 cm. Co-publ. par: AUF, Agence universitaire de la Francophone. Elevage Systemes agricoles Medecine veterinaire Animal breeding Agricultural systems Veterinary medicine 636 INR 2005 A090 Or. 2738010555 9782738010551