Culture of cold-water marine fish by Erlend Moksness; E Kjørsvik; Yngvar Olsen

By Erlend Moksness; E Kjørsvik; Yngvar Olsen

Content material: 1. advent / The Editors -- 2. Abiotic elements / B.R. Howell and S.M. Baynes -- three. Microbial Interactions, Prophylaxis and ailments / O. Vadstein, T.A. Mo and O. Bergh -- four. stay nutrients expertise of Cold-Water Marine Fish Larvae / Y. Olsen -- five. Brood inventory and Egg creation / D. Pavlov ... [et al.] -- 6. From Fertilisation to the top of Metamorphosis : sensible improvement / E. Kjorsvik, ok. Pittman and D. Pavlov -- 7. First Feeding know-how / Y. Olsen, T. van der Meeren and K.I. Reitan -- eight. Weaning and Nursery / J. Stoss, okay. Hamre and H. Ottera -- nine. On-Growing to marketplace dimension / M. Jobling -- 10. The prestige and views for the Species / T. Svasand ... [et al.] -- eleven. Marine inventory Enhancement and Sea-Ranching / T. Svasand and E. Moksness -- 12. New Species in Aquaculture : a few easy monetary points / R. Engelsen ... [et al.]

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1999). , 1988). may play an important role in protection against pathogens. Bacteria and viruses are engulfed by endocytosis in the intestinal epithelium. Intestinal bacteria may take part in the degradation of various compounds such as complex carbohydrates to molecules that may be taken up and utilised by the fish, or in a synthesis of molecules which are of benefit to the fish, such as essential fatty acids or vitamins (Hansen & Olafsen, 1999; Ringø & Birkbeck, 1999). Intestinal bacteria may also play a part in protection against disease (cf.

The information that follows provides a broad overview of the types of bloom that can form. Several different groups of algae have species that may form blooms. In marine waters, the most important groups are the dinoflagellates (Dinophyta), diatoms (Bacillariophyceae) and members of the Haptophyta. Species of Cyanobacteria (blue–green algae) that form blooms are uncommon in marine waters and rarely lead to fish kills, although some freshwater species are a significant source of the toxins that can kill fish.

Phagocytosis by macrophages occurs in the gills, and thus bacteria may be phagocytosed in this organ. Furthermore, the gill is an important organ of antigen uptake, particularly of particulate antigens such as vaccines. The intestine of fish is a natural habitat for bacteria, and many are useful to the fish. 1 Symbiotic relationships between microorganisms and their host. Such relationships are highly dynamic, and shifts among them may occur due to shifts at the community level. Mutualism is most beneficial, and occurs when both symbionts benefit from the relationship.

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