一、养殖品种选择:养殖生产顺利进行,品种选择是关键。选择适宜的养殖品种,应注意以下几点:1、市场需求生产前,应对当地及周边市场进行考察,了解市场上有哪些养殖品种,哪些品种受市场和消费者青睐,并应根据市场需求及时调换品种。2、养殖环境环境好坏是养殖成败的先决条件。在 First, breeding species selection: breeding production smoothly, variety selection is the key. Select the appropriate breeding species, should pay attention to the following points: 1, the market demand Before the production, should investigate the local and surrounding markets to understand what the market breeds, which varieties are favored by the market and consumers, and should be based on market demand in a timely manner Exchange variety. 2, farming environment is good or bad prerequisite for breeding success. in