1. Nitrogenous waste excretion and accumulation of urea and ammonia inChalcalburnus tarichi (Cyprinidae), endemic to the extremely alkaline Lake Van (Eastern Turkey)

   • Eva Danulat
   • Stephan Kempe

   OriginalPaper Pages: 377 - 386

2. The effect of water-borne magnesium on the dietary magnesium requirement of the rainbow trout (Oncorhynchus mykiss)

   • Karl D. Shearer
   • Torbjørn Åsgård

   OriginalPaper Pages: 387 - 392

3. 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. Olsen
   • E. Ringø

   OriginalPaper Pages: 393 - 399

4. The essential fatty acid requirement of milkfish (Chanos chanos Forsskal)

   • I. G. Borlongan

   OriginalPaper Pages: 401 - 407

5. 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

6. Quantitative changes in a serum protein, AS, during the life cycle of the lamprey,Petromyzon marinus L.

   • Michael F. Filosa
   • Misa A. Ito
   • John H. Youson

   OriginalPaper Pages: 417 - 426

7. Presence and ontogeny of intestinal and pancreatic phospholipase A₂-like proteins in the Red Sea bream,Pagrus major. An immunocytochemical study

   • K. Uematsu
   • M. Kitano
   • N. Iijima

   OriginalPaper Pages: 427 - 438

8. Characterization of a pancreatic DNase from pyloric caeca of atlantic cod (Gadus morhua L.)

   • Knut O. Strætkvern
   • Arnt J. Raae
   • Bernt T. Walther

   OriginalPaper Pages: 439 - 452

9. Metabolism of low density lipoproteins in rainbow trout

   • Tor Gjøen
   • Trond Berg

   OriginalPaper Pages: 453 - 461

10. Annual variations in brain serotonin and related compounds of domesticated rainbow trout (Oncorhynchus mykiss)

    • G. Rozas
    • P. Rey
    • M. Aldegunde

    OriginalPaper Pages: 463 - 471

11. 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. Reddy
    • T. J. Lam

    OriginalPaper Pages: 473 - 485

12. Role of thyroid hormones in tilapia larvae (Oreochromis mossambicus): II. Changes in the hormones and 5′-monodeiodinase activity during development

    • P. K. Reddy
    • C. L. Brown
    • T. J. Lam

    OriginalPaper Pages: 487 - 496

13. Progestogen metabolism by ovaries of the roach (Rutilus rutilus L.) and the rudd (Scardinius erythrophthalmus L.)

    • David E. Kime

    OriginalPaper Pages: 497 - 504

14. Oocyte maturation inClarias batrachus. III. Purification and characterization of maturation-inducing steroid

    • S. Haider
    • N. V. Rao

    OriginalPaper Pages: 505 - 512

15. Effects of dietary testosterone on growth and sex ratio in juvenile Atlantic salmon (Salmo salar)

    • Kim M. Lewis
    • Stacia A. Sower

    OriginalPaper Pages: 513 - 517