动物蛋白资源大瓶螺的开发利用研究 Ⅱ.大瓶螺的生态特性与高产养殖配套技术

STUDIES ON THE EXPLOITATION AND UTILIZATION OF ANIMAL PROTEIN RESOURCES; Apple snail (Am pullaria gigas). Ⅱ. The ecological characters of Apple snail and its comprehensive technology for high yielding culture.

本文着重论述了大瓶螺的生活周期、营养生长、产卵、卵块孵化及休眠的生态特性,并依据上述生态特性和生产实践,从生产布局、饲料来源、放养密度、水体管理、轮捕轮放和越冬保种等方面提出螺的高产养殖配套技术。

This paper reported the life cycle of Apple snail and its ecological characters on egg laying, hatching , growth and dormancy. Based on the characters mentioned, the comprehensive technology for high yielding culture consisting of production arrangement, feed sources, cultural density, water management, periodic distributing and catching in breeding seasons and preserving snail over winter etc. was developed.