Fish and shrimp attractant and preparation method thereof

The invention provides a fish and shrimp attractant and a preparation method thereof and aims at providing a novel green, environment-friendly, nutritious and high-efficiency attractant which is applied to compound feed of aquaculture animals such as fishes and shrimps, is low in cost and can achieve the effects of promoting the body growth and the like, as well as a preparation method of the attractant. The defects of the conventional attractant are overcome, and the common problems such as low palatability and low food consumption due to low fish meal or the absence of fish meal in the current aquatic feed are solved. According to the technical key points, the attractant is prepared from the following components in percentage by mass: 7-14 percent of fish oil, 0.1-0.5 percent of lactic acid, 0.1-0.5 percent of ethyl lactate, 0.05-0.4 percent of isovaleric acid, 0.05-0.4 percent of propionic acid, 1-5 percent of pyridine, 4-10 percent of trimethylamine aqueous solution, 0.05-0.4 percent of sodium glutamate and 70-86 percent of mixture of rice chaff and husk, totaling 100 percent. The fish and shrimp attractant belongs to the technical field of feed additives.