High-yield lactation sow ideal amino acid pattern and application thereof to low-protein ration

Abstract

The invention discloses a high-yield lactation sow ideal amino acid pattern and application thereof to a low-protein ration. The high-yield lactation sow ideal amino acid pattern is as follows: a mass ratio of digestible lysine to digestible methionine to digestible threonine to digestible valine to digestible tryptophane is 100:58:65:80:18. A compound amino acid is prepared according to the ideal amino acid pattern, and is added in the low-protein ration of a lactation sow, wherein the low-protein ration comprises the following raw materials in percentage by mass: 70.8 percent of corn, 8.0 percent of soybean meal, 15.0 percent of extruded soybean, 2.0 percent of imported fish meal, 0.16 percent of 50 percent choline chloride, 0.73 percent of mountain flour, 2.00 percent of calcium hydrophosphate, 0.40 percent of salt, 0.40 percent of compound amino acid and 0.50 percent of premix. According to the ideal amino acid pattern disclosed by the invention, the crude protein level of the ration can be reduced by 1-3 percent, the lactation capacity of the sow is remarkably improved, and the fecal nitrogen excretion of the sow is reduced.

Description

technical field [0001] The invention belongs to the field of pig raising in animal husbandry, and more specifically relates to an ideal amino acid pattern for high-yielding lactating sows and its application in low-protein diets. Background technique [0002] The pig industry is an important part of my country's animal husbandry. In the past ten years, with the continuous improvement of the scale of the pig industry, a large amount of waste and excrement produced in the process of raising pigs has caused nitrogen, phosphorus, copper, and The accumulation of zinc and other elements is getting higher and higher, which has caused serious pollution to the environment, especially the pollution of nitrogen to the environment. Pigs excrete a large amount of undigested and absorbed nitrogen sources through feces and urine every day. On average, each finishing pig produces 4.55 kg of manure per day, which means that each finishing pig excretes an average of 9.5 kg of nitrogen per year...

AI Technical Summary

Problems solved by technology

However, on the premise of not affecting the production performance of lactating sows, there is no relevant report on how to improve the lactation ability of sows (weight gain of piglets)

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