Milk yields and milk composition during lactation in West African dwarf goats

afrique occidentale animal physiology body condition caprin caprinos carga contaminante charge polluante contenido de materia seca contenido mineral contenido proteico dry matter content dwarfs enano encuestas fisiologia animal ganado goat milk goats lactation lactosa lactose leche de cabra lipid content livestock measurement mesure methode methods milk yield mineral content nain oligosaccharide oligosaccharides performance testing physiologie animale pollutant load protein content pruebas de rendimiento rendement laitier rendimiento lechero surveys teneur en lipides tierproduktion west africa