By Edward J. Noga
Fish affliction: prognosis and remedy, moment variation offers thorough, but concise descriptions of viral, bacterial, fungal, parasitic and noninfectious illnesses in an exhaustive variety of fish species. Now in complete colour with over 500 photos, the publication is designed as a finished advisor to the id and remedy of either universal and infrequent difficulties encountered throughout the medical work-up. illnesses are mentioned following a systems-based method of determine a straightforward and sensible handbook for opting for problems.
Fish ailment: prognosis and therapy, moment version is the must-have reference for any aquaculturists, aquatic biologists, or fish future health experts facing diagnosing or treating fish ailments.
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Additional info for Fish Disease: Diagnosis and Treatment
Example text
E. The fish is being removed for a clinical procedure. F. The fish is placed in aerated water after completion of the clinical procedure. 22 CHAPTER 3 THE CLINICAL WORKUP 40 μm A 40 μm B Fig. I-5. The effect of unbuffered tricaine on the ability to detect protozoan ectoparasites. A. Histological section of skin from a hybrid striped bass that was euthanized in tricaine (200 mg/l) buffered with 400 mg/l sodium bicarbonate. Note the large number of parasites present (arrow). B. Histological section of skin from a hybrid striped bass that was euthanized in unbuffered tricaine (200 mg/l).
The major advantage to a flow-through system is the ability to have a high stocking density and still have highquality water (see Table III-1). However, disadvantages include the need for a large amount of high-quality water, which severely restricts the sites suitable for this type of culture. Increasingly stringent local and national regulations restrict the type and amount of effluents that can be released by such farms. , stream) water, whose quality and quantity are highly dependent on rainfall (runoff).
Also, some zoonotic pathogens can be contracted by handling infected fish (see PROBLEMS 46, 49, 50, and 55). If disposable gloves are coated with talc, gloved hands should be rinsed in water before handling the fish to prevent talc crystals from contaminating biopsies (see Fig. II-43, C) and possibly irritating skin and gills (C. Harms, personal communication). After the visual examination, the skin and gills should be biopsied to look for pathogens. Skin biopsies usually can be taken from any fish larger than 25 mm (1 inch), and gill biopsies usually can be taken from any fish larger than 50 mm (2 inches).