论文部分内容阅读
美国夏威夷海洋研究所的专家利用牛粪饲养对虾取得很好的效果,对虾生长良好,11周龄成活率达88%。他们在整个试验期间(11~14周龄)虾池中不投任何商品饵料,每周仅在虾池中投放30kg 牛粪。投喂牛粪对海
Specialists at the Hawaii Institute of Marine Research in the United States used cow dung to keep prawns very well. Shrimp grew well and survived at 88% at 11 weeks of age. During the entire trial (11-14 weeks of age), they did not consume any commercial food in the shrimp ponds and only 30 kg of cattle manure in the shrimp ponds per week. Feeding cow dung to the sea