Specific features of nutrition of carp fingerlings under controlled conditions in relation to stocking the Dnieper-Bug estuary system
Journal Title: «Таврійський науковий вісник» - Year 2016, Vol 95, Issue
Abstract
The article features the peculiarities of feeding carp fingerlings under controlled conditions and depending on the state of food resources. The goal of reseach is to improve the technology of rearing high-quality stocking material with bigger individual weights compared to the existing regulations. The study establishes a reliable mathematical relationship between the stocking amounts of silver carp fingerlings and commercial fishing volumes in the fourth year of their introduction; this allows recommending stocking the water bodies of the lower reaches of the Dnieper with fingerlings. The research findings show that physical and chemical parameters of water in the ponds under study are within the fish breeding standards for growing fingerlings of carp fishes using pasture technology. The dynamics of biomass components of the food base indicate that fish reared have appropriate adaptive characteristics that will be employed during fattening under the conditions of the lower reaches of the Dnieper. The spectrum of carp fingerlings nutrition corresponds to the composition of food organisms. The intensity of feeding during the growing season has a natural tendency to reduce before the fall. Indices of fatness indicate satisfactory food supply and readiness of fingerlings to the process of hibernation under the conditions of natural water bodies.
Authors and Affiliations
Ю. М Воліченко, П. С. Кутіщев, К. М. Гейна
Keywords
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