我国饲养的牛蛙,是从古巴引进的优良品种。它不仅个体大(可长到1公斤左右),生长快(一年可增重0.5公斤),产量高(每平方米水面年产9公斤),而且适应性强,大江南北各地的池塘、沟渠、水库、林地、庭院、防空洞和室内都能饲养;能在自然低温下安全越冬;能在任何季节里活运数千里无损伤。加之饲养方法同养青蛙一样简便易行,可以用米糠稀 Bullfrogs raised in China are excellent varieties introduced from Cuba. It grows fast (up to 0.5kg in one year) and high in output (9kg in water per square meter). It is also adaptable. Ponds, ditches, Reservoirs, woodlands, courtyards, shelters and indoors can all be kept; safe for winter at naturally low temperatures; and capable of surviving thousands of miles in any season without damage. Coupled with raising methods as frogs as simple and easy, you can use rice bran dilute