京郊可养三种虾养虾比养鱼生产周期短，一般饲养四个来月即可上市，当年见效，经济效益高。下面介绍三种适合京郊池塘养殖的淡水虾。罗氏沼虾，又名马来西亚长臂大虾。是沼虾属中个体较大的种类，为热带虾种。其生长速度较快、适应性广、饲料要求低、抗病力强、易于饲养，... Beijing Suburb can raise three kinds of shrimp shrimp than fish production cycle is short, the general breeding four months to market, the year effective, high economic returns. Here are three kinds of freshwater shrimp for pond culture in Beijing suburb. Macrobrachium, also known as Malaysian long-arm prawn. Marsh is a larger species of individuals, tropical shrimp species. Its rapid growth, wide adaptability, low feed requirements, disease resistance, easy to raise, ...