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近年来发达国家已兴起一个开发蚯蚓保健食品热,蚯蚓的年贸易额在20亿美元左右,而每年正以20％～25％的速度递增。美国、加拿大、日本等国都在大力发展蚯蚓养殖业,目前已发展到工厂化养殖和商品化生产,养殖蚯蚓成了前景广阔的新兴养殖事业,蚯蚓的开发价值,引起了广泛的注意。1997年美国的300个大型蚯蚓养殖企业组成了国际蚯蚓养殖者协会,以帮助促进这个行业。 世界各地蚯蚓养殖的主要用途,大致有以下几类:一是净化环境,变废为利,增肥改土;二是作为新的蛋白质源,制成禽畜、渔业、特种动物饲料添加剂,或作为人类食品销售;三是作为药物、化妆品的原料;四是利用蚯蚓或蚓粪的特殊功能,作为重金属污染的监测动物或除
In recent years, developed countries have developed an earthworm health food heat, earthworms in the annual trade volume of 2 billion US dollars, while the annual rate of 20% to 25% increase. The United States, Canada, Japan and other countries are vigorously developing earthworm breeding industry, has now developed into factory farming and commercial production, breeding earthworms has become a promising new breeding industry, the development of earthworms value has attracted widespread attention. In 1997, 300 large earthworm producers in the United States formed the International Association of Earthworm Farmers to help promote this industry. The main uses of earthworm farming around the world are roughly the following categories: First, the purification of the environment, turning waste into benefits, fertilizer and soil; Second, as a new source of protein, made of livestock, fisheries, special animal feed additives, or As human food sales; Third, as raw materials for medicines, cosmetics; Fourth, the use of earthworms or vermicompost special features, as a monitoring of heavy metal pollution or animals