...
机译:在成长期中成功管理幼种鸭。
amino acids; animal breeding; crude protein; diets; duck feeding; energy intake; equipment; feed dispensers; feed intake; feeding frequency; feeds; growth rate; liveweight; metabolizable energy; mortality; nutrient requirements; poultry; poultry farming; protein intake; rearing techniques; sexual maturity; stress; stress response; underweight; Anas platyrhynchos; ducks; Anas; Anatidae; Anseriformes; birds; vertebrates; Chordata; animals; eukaryotes; death rate; dietary standards; domesticated birds; feeders; feeding stuffs; food requirements; nutritional requirements;
机译:在成长期中成功管理幼种鸭。
机译:在预产期成功管理Star 53种鸭
机译:鸭种育成期表现的比较
机译:森林集约经营措施对速生南方松木材性质和纸浆产量的影响。
机译:印尼鸭蛋产业的企业家精神:成功的农村发展案例。
机译:与使用美国管理系统的针式计量输水管线相比用水槽饲养时增加的水污染和成年北京鸭死亡率
机译:精力充沛的限制:在资本育种者中定义成功的能源管理的界限和权衡