论文部分内容阅读
(一)合理投饲、施肥1.投饲原则。坚持“四定投饲”。定质:投喂的饲料要新鲜,不投喂变质的饲料。定位:饲料要投在相对固定的位置,最好建投饲台或饲料台。定量:根据池鱼总量,确定投喂量和投饲率,平时投喂量控制在鱼正常摄食量的80%~90%,阴雨天控制在鱼正常摄食量的30%~50%。鱼种投饲率控制在
(A) reasonable feeding, fertilization 1. Feeding principles. Adhere to the “four fixed feeding ”. Qualitative: Feeding feed to be fresh, not feeding bad feed. Positioning: feed to vote in a relatively fixed position, it is best to build feeding station or feed station. Quantitative: According to the total amount of fish to determine the amount of feeding and feeding rates, usually feeding the amount of control in the normal fish intake of 80% to 90%, rainy days control the normal fish intake of 30% to 50%. Fish feeding rate controlled at