水产养殖业是一个复杂的系统工程。它包括优良苗种(品种)的选择和培育,高效全价营养无公害饲料的开发生产,生态环境控制,疾病防治和生产管理等因素,其中优良品种和高效营养饲料是关键。在给定其他条件后,饲料是主要因素,只有高效营养饲料才能加速鱼类健康生长,降低养殖的成本; Aquaculture is a complex system engineering. It includes the selection and cultivation of excellent seed (variety), the development and production of efficient full-price nutrition and pollution-free feed, the control of ecological environment, disease prevention and control and production management, among which the fine variety and efficient nutrition feed are the key. Given the other conditions, feed is the main factor, only efficient nutrition feed can accelerate the healthy growth of fish, reduce the cost of farming;