Feed for fingerling of Coreius guichenoti and preparation method

Abstract

The present invention discloses a fish feedstuff of coreius guichenoti and a preparing method thereof. The fish feedstuff is proportionally composed of Peru fishemeal powder, soya bean meal, wheat middling, oil bran, bean oil, a plurality of mineral salts, a plurality of vitamins, adhesive, antioxidant and mould inhibitor. The preparing method comprises the following steps: crushing the raw materials and screening the crushed raw materials; mixing a plurality of weighted vitamins, the plurality of mineral salts, the adhesive, the antioxidant and the mould inhibitor; putting the weighted fish powder, soya bean meal, wheat middling and oil bran into a mixer for mixing, putting the mixed material into the mixer for mixing to uniform; adding the bean oil and water, and simultaneously adding steam for continuously mixing to uniform; preparing the mixture to the particles with equal particle diameter; keeping the temperature of 60 DEG C to 80 DEG C; dewatering with cold air and cooling. Thefish feedstuff of the invention is suitable for the production of large-sized and middle-sized feedstuff manufacturer. The water-proof soak time is long. The growth speed of fish after eating the feedstuff is high. In one-year cultivation when each fish is grown from 20g to the fingerling with the weight of 80-100g, the survival rate is 70%. When the fish is grown from 80-100g to the fingerling with the weight of 250-300g, the survival rate is 80%.

Description

technical field [0001] The invention relates to a fish feed, in particular to a feed for copperfish (Coreius guichenoti) fingerlings, and also relates to a preparation method for the feed for copperfish fingerlings. The feed of the invention is suitable for the round-mouthed copperfish fingerlings with a body weight of 20-300 g. Background technique [0002] Roundmouth copperfish is a unique fish in the upper reaches of the Yangtze River, and it is also the dominant species and the main economic fish in the upper reaches of the river. At present, the wild individuals of the roundmouth copperfish have been successfully domesticated in the hull cages and ponds, and the domestication technology has been basically mastered, and a certain number of roundmouth copperfish species have been cultivated. Roundmouth copperfish is active at night, and its feeding habits are omnivorous and partial to carnivorous. In the Yichang-Yidu section of the Yangtze River, copperfish mainly feed ...

AI Technical Summary

Problems solved by technology

[0004] So far, through searching, no papers have been found on the research on the feed for copperfish fingerlings, and no patent documents on the formula and preparation methods of the feed for copperfish fingerlings have been found.

Images