Development of productive pseudocapsulated compound feeds for rainbow trout grown in the Central federal district of the Russian Federation
Автор: Vasilenko V.N., Frolova L.N., Kochkin I.Y., Eremin I.D., Zhiltsova S.I., Dorokhin R.V.
Журнал: Вестник Воронежского государственного университета инженерных технологий @vestnik-vsuet
Рубрика: Пищевая биотехнология
Статья в выпуске: 1 (95) т.85, 2023 года.
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The decrease in catch of valuable fish species from natural water bodies is compensated by their intensive cultivation in artificial conditions. In order to realize the main task of trout farms associated with obtaining marketable products in the shortest possible period of time, artificial feed is used as a source of food. A economically feasible alternative source of raw materials is the products of plant origin. In the process of production of oil and fat products at various stages, numerous fat wastes and by-products are formed, wich have fodder value and are not used as feeding facilities in industrial scale. This is especially frue for fat processing (soapstock of Light oil, fatty bleaching clays, dezodoration chases, phosphatides, calcium salts of fatty acids), as well as waste oils in combination with fat processing waste. On the base of studying the classical technology of producing mixed fodders for valuable fish species and eliminating its drawbacks the technology of pseudocapsulated mixed fodders for salmon fish grown in the CFD of Russia Federation with given fodder value and a line for its realization is suggested. The best way to bring fats and vitamins contained in them to valuable fish species is to feed them as a part of mixed fodders. At present, however, it is difficult to increase the level of fat in feed on the existing Russian fats supply lines, since most plants can include up to 10% of fat in the bulk feed line. Therefore, the development of mixing formulations and techniques for valuable fish breeds using sturgeon fish with more than 10% fat in it as an addition of fat oily wastes such as epaulettes and phosphates is not only of scientific interest. In the course of studies optimization encapsulated optimal feeds for program "Feed Optima Expert" pseudorainbow trout were also developed. As a result, close results were obtained in terms of the rate of growth of trout, the development, conversion of feed and viability in comparison with the best feed counterparts on the Russian market.
Trout, optimal feed, fodder production, pseudocapsulation, dietary optimization
Короткий адрес: https://sciup.org/140301805
IDR: 140301805 | DOI: 10.20914/2310-1202-2023-1-174-179
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