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前言 50多年以来,许多营养学家对人们食物的需求量研究得比较多,特别是通过生理学和生物化学过程的研究,对营养的需求量更清楚了。以往营养学家对陆地动物的营养学也研究比较多,对维生素、必需氨基酸、痕量元素、矿物质以及脂肪的需求量阐明较多,报道的文献也较多。随着人口不断增加,人们需要的蛋白质的质量也相应增加。因此,在全世界范围内,积极发展鱼类养殖业已成为共同关心的课题。鱼类养殖的成功与失败,主要取决于鱼类的营养状态。直至最近,国际上对鱼类营养
Preface For more than 50 years, many nutritionists have studied human food requirements more, especially through the study of physiology and biochemistry process, the demand for nutrition more clearly. Nutritionists in the past on the terrestrial animal nutrition is also more research on vitamins, essential amino acids, trace elements, minerals and fat demand more clarification, there are more reports of the literature. As the population continues to grow, the quality of the protein that people need is correspondingly increased. Therefore, the active development of fish farming around the world has become a topic of common concern. The success and failure of fish farming depends mainly on the nutritional status of fish. Until recently, there was international fish nutrition