A feed additive for improving the fatty acid composition of broiler breast muscle and a method of preparing the same

By synergistically fermenting soybean meal with Bacillus amyloliquefaciens and Bacillus subtilis, a feed additive was prepared that solved the problems of low utilization rate and unbalanced fatty acid composition of soybean meal, and achieved a significant increase in unsaturated fatty acids and enhanced antioxidant properties in the breast muscle of broilers.

CN122397840APending Publication Date: 2026-07-17FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
Filing Date
2026-04-07
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, soybean meal has low utilization rate, contains anti-nutritional factors and its nutritional value is not fully utilized, and broiler breast muscles have high saturated fatty acid content and insufficient unsaturated fatty acid content.

Method used

A feed additive was prepared by co-fermenting soybean meal with Bacillus amyloliquefaciens and Bacillus subtilis, and by enzymatic hydrolysis and fermentation, which improved the fatty acid composition of broiler breast muscle, degraded anti-nutritional factors, and increased the content of unsaturated fatty acids.

Benefits of technology

It significantly reduces the content of saturated fatty acids in the breast muscle of broiler chickens, increases the content of palmitoleic acid, arachidonic acid and polyunsaturated fatty acids, enhances the antioxidant capacity of the muscle, improves the fatty acid ratio, and meets the needs of a healthy diet.

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Abstract

本发明公开了一种改善肉鸡胸肌脂肪酸组成的饲料添加剂及其制备方法,属于鸡饲料技术领域,该方法包括以下步骤:首先将豆粕粉碎加水经蛋白酶酶解,加入解淀粉芽孢杆菌渥堆发酵,经灭菌、干燥得到发酵豆粕粉;然后以该发酵豆粕粉、玉米粉和酵母膏配制液态发酵液,接入枯草芽孢杆菌种子液继续发酵,干燥后即得成品。本发明通过两步发酵工艺,去除了豆粕中的抗营养因子,显著提高了发酵液的抗氧化性,使得其作为饲料添加剂添加到鸡饲料中后能够有效改善肉鸡胸肌的脂肪酸组成,提高不饱和脂肪酸含量,增加鸡肉的营养价值,有广阔的市场前景。
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