Composition for ruminant animals, feed additive, feed and application thereof

The invention relates to the field of animal husbandry feed additives, in particular to a composition for ruminants, a feed additive, feed and application thereof. The invention provides a composition for ruminants. The composition is prepared from the following components in parts by weight: 0.2 to 0.5 part of gamma-aminobutyric acid, 20 to 30 parts of saccharomyces cerevisiae culture, 3 to 5 parts of edible fatty acid calcium salt, 1 to 2 parts of fructus crataegi powder and 0.9 to 1.1 parts of radix astragali crude extract. The composition has a good effect on rumen of ruminants, and also has the advantages of increasing feed intake, promoting rumen development and increasing growth speed. 本发明涉及畜牧饲料添加剂领域，特别是涉及一种反刍类动物用的组合物、饲料添加剂、饲料及其应用。本发明提供了一种反刍类动物用的组合物，所述组合物包括以下重量份的组分：γ-氨基丁酸0.2～0.5份、酿酒酵母培养物20～30份、可食脂肪酸钙盐3～5份、山楂粉1～2份和黄芪粗提物0.9～1.1份。本发明所述组合物对反刍动物瘤胃有较好效果，同时还具有提高采食量、促进瘤胃发育和提高生长速度的优势。