00891nam a2200217Ia 4500 CTU_160334 210402s9999 xx 000 0 und d 639.3 T119 Tacon, A. G. J. Nutritional fish pathology : Morphological sings of nutrient deficiency and toxicity in farmed fish A. G. J. Tacon Rome FAO 1985 In contrast to extensive and semi-intensive culture systems where fish obtain all or oart of their nutrient needs naturally available food organisms, fish maintained under intensive culture systems rely totally on the provision of a nutritionally complete diet throughout their culture cycle. Fishes,Fishes Pathology,Nutrition Bạch trúc Trung tâm Học liệu Trường Đại học Cần Thơ