Their poultry are kept in the yard.他们的家禽关在院子里。...intensive methods of rearing poultry.饲养家禽的集约化方法This spice is used particularly in poultry feed to deepen the colour of egg yolks.这种香料尤用于家禽的饲料中，以加深蛋黄的颜色。Poultry hauling equ...
Cows and sheep are herbivores.牛和羊是食草动物.In many communities insects play a key role as herbivores and predators.在许多群落中,昆虫作为植食动物和捕食者起着重要的作用.Being herbivores, guinea pigs eat almost constantly, and metabolize food very quic...