Extruded and expanded feed for preventing herring fatty liver and preparation method thereof

Abstract

The invention relates to extruded and expanded feed and a preparation method thereof, in particular to expanded feed for preventing herring fatty liver and a preparation method thereof. The extruded and expanded feed comprises the following components in percentage by weight: 15-20 percent of direct-fired fish meal, 20-30 percent of extruded soybean, 10-17 percent of rapeseed meal, 8-16 percent of blood meal, 0.5-1.5 percent of fish oil, 15-25 percent of strong flour, 8-12 percent of meat and bone meal, 0.5-1.5 percent of vitamin premix, 0.5-1.5 percent of mineral salt premix, 1-2 percent of calcium biphosphate, 0.3-0.5 percent of choline chloride, 0.1-0.5 percent of lycine, 0.1-0.5 percent of turmeric, 0.1-0.5 percent of sphorae favescentis, 0.1-1 percent of creat and 0.1-0.5 percent of liquorice. The invention not only can meet the growth demand of herring, but also can prevent the fatty liver caused by feeding the feed in the cultivation process.

Description

【Technical field】 [0001] The invention relates to an extruded feed and a preparation method thereof, in particular to an extruded feed for herring and a preparation method thereof. 【Background technique】 [0002] Herring (Mylopharyngodon piceus), belonging to Cypriniformes (Cypriniformes), Cyprinidae (Cyprinidae), and Mylopharyngodon (Mylopharyngodon), also known as Wuqing, Qingkun, Qingwan, and Luosiqing, is one of the four famous domestic fish in my country. Because of its large size, rapid growth, tender meat, few thorns in the meat, delicious taste, and high nutritional value, it is regarded as a high-quality edible fish and is popular among farmers and consumers. The nutritional composition of the feed directly affects the health of the fish. At present, some studies have been carried out on the nutritional requirements and feed formulations of herrings, such as a health-care herring feed (Chinese patent CN1316913C), a herring compound feed (CN101653207A), an environmen...

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Problems solved by technology

[0004] It can be seen that in order to solve the problems of low digestibility, high corrosion rate, water pollution, and fatty liver caused by feeding herring pellet feed, it is necessary to provide a method that can improve feed stability and digestion and absorption rate, and reduce feed coefficient. and water pollution, it is particularly important to provide a feed that prevents and reduces the occurrence of herring fatty liver. Therefore, it is extremely urgent to study a high-quality extruded feed that prevents herring fatty liver and has a balanced nutrition and its preparation method

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