[Effects of concentrate content in the "pre-post partum" diet on the production and quantitative and qualitative evolution of goat milk]

animal laitier animales lecheros animali lattiferi cabra capre concentrates concentrati contenido proteico contenuto lipidico contenuto proteico fieno foin hay heno lactation lattazione lipid content milk yield milk yielding animals nannygoats piensos concentrados protein content rendement laitier rendimiento lechero teneur en lipides