NUTRITION AND FEEDING METHODS OF SALMONIDAE AS A PEREQUISITE FOR THE CULTURE OF HEALTHY FISH

Hrana upotrijebljena u intenzivnom uzgoju riba mora biti formulirana tako da sadrži sve esencijalne sastojke potrebne za pravilno zdravlje i normalan rast riba. Sastojci moraju biti kvalitetni kako bi ih riba što lakše probavila, jer se inače ne dobiva očekivani učinak. Isto tako potrebno je primijeniti pravilnu tehniku mljevenja sastojaka kako bi dobivena hrana bila što postojanija kad do|e u dodir s vodom. Pravilne tehnike hranjenja i uporaba kvalitetne hrane morala bi biti najvažnija stvar na farmama. Veličina hrane, učestalost hranjenja, te količina obroka zajedno s pravilnom manipulacijom u uzgoju pomažu pri održavanju zdrave populacije riba. Stalna briga oko riba i praćenje njezina ponašanja vrlo su važni, jer smanjeni tek, loša konverzija hrane, kao i zaostali rast često su rani simptomi stresnih i bolesnih stanja riba.The food used in intensive fish culture must be formulated so that it contains all essential components necessary for healthy and normal fish growth. The components must be of good quality in order for the fish to digest it more easily, because otherwise the expected effect is not reached. It is also important to apply the proper grinding techniques so that the food obtained is as firm as possible when it comes into contact with water. The proper feeding techniques and use of good quality food should be the most important factors on the fish farms. The size of food, feeding frequency, as well as the amount of feedings together with the proper manipulation in culture assist in maintaining a healthy population of fish. The constant care of fish and following of its behaviour is very important, because a decrease in apetite, badly conserved food, or a lag in growth rate are early symptoms of stress and disease in fish