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大瓶螺是一种难得的淡水食用螺,原产于南美洲亚马逊河流域,1980年传入台湾,1981年广东省首先引进词养。由于大瓶螺饲养方法简单、繁殖率高、生长快、产量高、肉质鲜美、营养丰富、饲养周期短、饲料来源广、费工少、成本低、经济效益高等优点,目前已广布全国各地,饲养者愈来愈多。 (一)大瓶螺的生活特性 大瓶螺的生活史比较简单,一般雌、雄螺进行交配之后,大约1～5天后即开始产卵,以卵群形式产出,每一卵群有卵粒10～2000粒不等,
Big bottle snail is a rare freshwater snail, native to the Amazon basin in South America, introduced to Taiwan in 1980, Guangdong Province in 1981 to introduce the first word raised. Due to its advantages of simple feeding method, high reproductive rate, fast growth, high yield, delicious meat, rich nutrition, short breeding cycle, wide source of feed, less labor, low cost and high economic benefits, Feeders more and more. (A) of the characteristics of the life of the bottlenose Bottlenose life history is relatively simple, the general female and male snail mating, about 1 to 5 days after the start of spawning, eggs in the form of output, each egg population 10 ~ 2000 capsules range,