[Good reproductive performances of Limousine in Italy [beef cattle breeds]]

attitudine alla riproduzione beef cattle birth rate bovin de boucherie calves cows ganado de carne intervalle entre parturition intervallo interparto intervalo entre partos introduced breeds parturition interval performance de reproduction race introduite razas naturalizadas razze introdotte reproductive performance reproductividad tasa de natalidad ternero toscana toscane tuscany vaca vacche vache veau vitelli