据资料介绍,西瓜皮含有鱼类所需的糖及粗蛋白质、粗脂肪、粗纤维、叶绿素等营养物质,还含有胡萝卜素、硫胺素、核黄素、尼克酸、抗坏血酸等维生素,及钙、磷、铁等矿物盐。笔者多年养殖实践认为:用西瓜皮喂鱼种,适口性好,鱼爱吃,易消化吸收,使鱼类健康生长。其次,利用西瓜皮养鱼,既扩大了饲料来源,降低生产成本15～20％,又减少了环境污染,无论从营养成份,还是从经济效益上,西瓜皮都是鱼的好饲料。 According to the information, watermelon peel contains the necessary nutrients for fish such as sugar and crude protein, crude fat, crude fiber and chlorophyll, as well as vitamins such as carotene, thiamine, riboflavin, nicotinic acid and ascorbic acid, , Phosphorus, iron and other mineral salts. I practice for many years that the practice of farming: watermelon peel feeding species, palatability is good, eat fish, easy to digest and absorb, so that the healthy growth of fish. Second, the use of watermelon skin fish, both to expand the source of feed, reduce production costs 15 ~ 20%, but also reduce the environmental pollution, both from the nutritional content, or from the economic benefits, watermelon skin is a good feed for fish.