Preparation method of fortifying feed for prawn breeding season

Abstract

The invention discloses a preparation method of fortifying feed for a prawn breeding season. The preparation method comprises the following steps: preparing fermented soybean meal and tea polyphenol liposome, and compounding. The preparation method has the beneficial effects that anti-nutritional factors in the fermented soybean meal are decomposed and removed; the fermented soybean meal is rich in protein, organic substances and medium trace elements, and is suitable to serve as a base material of prawn feed; microbial community composition of intestinal tracts of prawns can be changed aftermicrobes enter into the bodies of the prawns, so that the prawn growth speed is improved, the anti-disease capacity is enhanced and the immunity is improved; the feed is rich in nutrients, such as protein, amino acid, fat, vitamins and mineral element, is assisted by a phagostimulant, can meet the nutritional requirements of the growth and the development of parent prawns, promote the growth and the gonadal development of the prawns and prepare for the reproduction of the prawns, and is nutrition fortifying feed for the prawn breeding season, which is highly targeted and safe and does not havetoxic or side residues.

Description

technical field

[0001] The invention belongs to the field of fortified feed for aquatic animals, in particular to a method for preparing fortified feed for prawn breeding period. technical background

[0002] Prawns, the scientific name is Oriental prawns, also known as Chinese prawns, Chinese prawns, and spotted prawns. Arthropoda, Mollusca, Decapod, Shrimpidae, Penaeus. Prawns are large in size and are commonly known as prawns. The female growth of prawns generally has a body length of 16-22 cm and weighs about 50-80 grams. The largest can reach 30 cm and weighs 250 grams; the male is smaller, with a body length of 13-18 cm and a weight of 30-50 grams. Prawns are wide-temperature and wide-halt marine animals. The body of Penaeus mangniu Island is long cylindrical, flat on the left and right sides, and the body is divided into head, thorax and abdomen, and consists of 20 body segments. The abdomen is long, muscular and well segmented. Shrimp is rich in nutrition, and i...