[Prospects for the improvement of animals in the Vila Franca de Xira agrarian region [cattle, sheep, horses, milk, meat, Portugal]]

aliment pour animaux alimento para animais alimentos para animales animal breeding animal health artificial insemination bovin cattle desenvolvimento regional farm size feeds fertilidad fertilidade fertilite fertility gado vacum ganado bovino meat production mejoramiento animal melhoramento animal milk production ovin ovino ovinos pastagem pastizales pastures portugal production de viande reproduction sanidad animal sanidade animal sheep zootechnie zootechny zootecnia