Pregnant sow feed additive

Abstract

The invention discloses a pregnant sow feed additive. The additive comprises the following components in parts by weight: 20 to 40 parts of poria, 20 to 40 parts of motherwort, 20 to 40 parts of ramie root, 10 to 20 parts of purple perilla, 10 to 20 parts of astragalus, 5 to 15 parts of codonopsis pilosula, 5 to 15 parts of liquorice, 40 to 60 parts of lysine, 20 to 40 parts of threonine, 10 to 20 parts of methionine, 10 to 20 parts of tryptophan, 80 to 120 parts of calcium carbonate, and 60 to 80 parts of calcium bicarbonate. The pregnant sow feed additive provided by the invention can be used for effectively improving the born number of pregnant sow, improving the birth weight of piglets and improving the immunity of pregnant sow, and has the advantages of high safety, wide raw material source and low price.

Description

technical field

[0001] The invention relates to a feed additive for pigs, in particular to a feed additive for pregnant sows. Background technique

[0002] With the increase of population and the improvement of people's quality of life, the demand for pork is constantly expanding. However, at present, breeding enterprises still feed pregnant sows with common pig feed, and only meet the nutritional needs of sows by increasing the number of feedings. The nutritional content of ordinary pig feed is not enough to ensure the physical health of sows and the normal development of piglets in the body, resulting in low production capacity of sows, small number of live piglets, and low birth weight of piglets. At the same time, the resistance of pregnant sows decreases and they are susceptible to various diseases, so it is necessary to improve their immunity. Contents of the invention

[0003] Purpose of the invention: The purpose of the invention is to provide a feed additive for...