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随着养鱼生产的发展足够的饲料是提高产量的重要条件,解决鱼类的饲料来源问题,就成为养鱼事业进一步发展必须解决的关键了。根据我国国情,人口多,耕地少,粮食还未过关,养鱼靠商品饲料的供应在相当长的时期内是解决不了的。目前我们研究养鱼饲料基本要求;成本低营养高,就地取材、来源方便,数量充足,投资少经济效果大,群众容易接受等着手。谈谈下面几个问题的看法。一、有机肥料利用: 水域施肥,是提高鱼产量最可靠和最有效的方法之一。水域中的有机或无机肥料,能直接或间接促进水生动植物的生长和繁殖。补充水体中各种类型的营养物质,这些营养物质是
With the development of fish production enough feed is an important condition to increase production, to solve the problem of fish feed sources, it has become the key to the further development of fish farming must be resolved. According to China’s national conditions, a large population, less cultivated land and no food clearance, the supply of fish by commercial feed can not be solved for a long period of time. At present, we study the basic requirements of fish feed; high cost low nutrition, local materials, sources of convenience, adequate quantity, less investment and economic effects, the masses ready to accept and so start. Talk about the following questions. First, the use of organic fertilizer: water fertilization, is to increase the production of fish is the most reliable and one of the most effective way. Organic or inorganic fertilizers in the water can directly or indirectly promote the growth and reproduction of aquatic animals and plants. Add all kinds of water nutrients, these nutrients are