Feed additive special for laying hens

Abstract

The invention relates to a feed additive special for laying hens. The feed additive is prepared from, by weight, 40-50 parts of yam flour, 20-30 parts of spirulina powder, 10-15 parts of honeysuckle powder, 5-10 parts of bamboo leaf powder, 3-5 parts of radix rehmanniae praeparata powder, 0.5-1 part of garlic powder, 2-3 parts of dietary fiber, 0.5-1 part of aspergillus niger conidial powder, 2-3 parts of bacillus powder, 0.5-1 part of aspergillus oryzae conidial powder, 3-5 parts of saccharomycetes powder, 3-5 parts of sweet wine koji, 1-2 parts of photosynthetic bacterium powder, 1-2 parts of lactobacillus plantarum and 2-3 parts of health sand. The feed additive is easy to prepare, low in cost, rich in nutrient, and capable of providing various nutrients required by growth of laying hens and improving immunocompetence. Laying hens do not get sick basically in the raising process.

Description

Technical field [0001] The invention relates to a feed additive, in particular to a special feed additive for laying hens. Background technique [0002] After decades of rapid development, China's layer industry has become the country with the largest egg production for 21 consecutive years. From 1980 to 2005, the annual growth rate of poultry egg production in my country was 7.8%. Affected by the avian influenza epidemic, the growth rate has slowed down in the past two years, and it was only 2.6% in the same period in the world. The stock and production of eggs in developed countries have basically remained stable. , There has been basically no growth in the past ten years. According to statistics from the Food and Agriculture Organization of the United Nations (FAO), my country’s poultry and egg production in 2005 was 28.795 million tons, accounting for 44.5% of the world’s total production, of which egg production was 24.35 million tons, accounting for 41% of the world’s total...

AI Technical Summary

Problems solved by technology

[0006] The invention provides a special feed additive for laying hens, which solves the problems that the existing feed for laying hens is very expensive, the nutritional components are not comprehensive and unbalanced, and long-term feeding can easily cause poor development, poor immunity, and easy illness of laying hens. , and the problem of unpleasant odors such as foul smell in laying hen manure