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牛蛙原产于北美洲,是食用蛙中体型最大的种类,生长快,肉味鲜美,营养丰富。近年来在我国一些地区人工养殖牛蛙得到了迅速的发展,形成了一股“养蛙热”。 但是,经过了一段发展高潮之后,牛蛙养殖业也暴露出一些问题,主要有以下三个方面: 一、市场问题 牛蛙养殖业兴起初期,牛蛙养殖场、户多以出售苗种为主并取得了良好的经济效益。但“倒种热”过后,大多牛蛙养殖场、户都抱怨苗种和商品蛙市场缩小,没有销路。其中除城镇居民没有
Bullfrog native to North America, is the largest species of edible frogs, grow fast, delicious meat, nutritious. In recent years, artificial breeding of bullfrogs in some areas of our country has been rapidly developed, forming a “frog fever.” However, after a period of development climax, the bullfrog aquaculture industry also revealed some problems, mainly in the following three aspects: First, the market problems Bullfrog aquaculture industry was born in the early days, the bullfrog farms and households mostly sold seedlings and obtained Good economic benefits. However, after the “opposite sex fever”, most of the bullfrog farms complain that the market for seed and commodity frogs narrowed and there is no market for them. Which except urban residents do not have