Nitrogenous waste excretion and accumulation of urea and ammonia inChalcalburnus tarichi (Cyprinidae), endemic to the extremely alkaline Lake Van (Eastern Turkey) Eva DanulatStephan Kempe OriginalPaper Pages: 377 - 386
The effect of water-borne magnesium on the dietary magnesium requirement of the rainbow trout (Oncorhynchus mykiss) Karl D. ShearerTorbjørn Åsgård OriginalPaper Pages: 387 - 392
Lipids of arctic charr,Salvelinus alpinus (L.) II. Influence of dietary fatty acids on the elongation and desaturation of linoleic and linolenic acid R. E. OlsenE. Ringø OriginalPaper Pages: 393 - 399
The essential fatty acid requirement of milkfish (Chanos chanos Forsskal) I. G. Borlongan OriginalPaper Pages: 401 - 407
Summertime and early autumn activity of some enzymes in the carbohydrate and fatty acid metabolism of the crucian carp Ylva Lind OriginalPaper Pages: 409 - 415
Quantitative changes in a serum protein, AS, during the life cycle of the lamprey,Petromyzon marinus L. Michael F. FilosaMisa A. ItoJohn H. Youson OriginalPaper Pages: 417 - 426
Presence and ontogeny of intestinal and pancreatic phospholipase A2-like proteins in the Red Sea bream,Pagrus major. An immunocytochemical study K. UematsuM. KitanoN. Iijima OriginalPaper Pages: 427 - 438
Characterization of a pancreatic DNase from pyloric caeca of atlantic cod (Gadus morhua L.) Knut O. StrætkvernArnt J. RaaeBernt T. Walther OriginalPaper Pages: 439 - 452
Metabolism of low density lipoproteins in rainbow trout Tor GjøenTrond Berg OriginalPaper Pages: 453 - 461
Annual variations in brain serotonin and related compounds of domesticated rainbow trout (Oncorhynchus mykiss) G. RozasP. ReyM. Aldegunde OriginalPaper Pages: 463 - 471
Role of thyroid hormones in tilapia larvae (Oreochromis mossambicus): I. Effects of the hormones and an antithyroid drug on yolk absorption, growth and development P. K. ReddyT. J. Lam OriginalPaper Pages: 473 - 485
Role of thyroid hormones in tilapia larvae (Oreochromis mossambicus): II. Changes in the hormones and 5′-monodeiodinase activity during development P. K. ReddyC. L. BrownT. J. Lam OriginalPaper Pages: 487 - 496
Progestogen metabolism by ovaries of the roach (Rutilus rutilus L.) and the rudd (Scardinius erythrophthalmus L.) David E. Kime OriginalPaper Pages: 497 - 504
Oocyte maturation inClarias batrachus. III. Purification and characterization of maturation-inducing steroid S. HaiderN. V. Rao OriginalPaper Pages: 505 - 512
Effects of dietary testosterone on growth and sex ratio in juvenile Atlantic salmon (Salmo salar) Kim M. LewisStacia A. Sower OriginalPaper Pages: 513 - 517