At present, an effective and practical method for improving the utilization of roughage in ruminants is to aminate roughage. However, a kind of compound bacteria that is commercially called "Starfish Micro-King" is being increasingly applied to roughage processing in China. The principle is to use microorganisms to ferment roughage (ie, micro-storage) in vitro to increase the utilization of roughage by ruminants. The nutritional effects of handling roughage by micro-active dry seedlings on animals are summarized below.
1 The method of micro-storage of roughage for roughage is similar to the ammoniation method. First, 3 grams of live dried bacteria were dissolved in 200 ml of water in 1 ton of roughage, allowed to stand for 1-2 hours, then diluted with 0.8% -1 % saline solution to 1200-1400 liters, and evenly sprayed on chopped roughage. One ton of roughage can be added with 1-3 kilograms of wheat bran or corn flour to aid fermentation. After handling the roughage, it was sealed for 21-30 days at a temperature above 10 °C. Fermented feeds can be fed directly to livestock.
During the in vitro release of alcohol, the counts of cellulose degrading bacteria and the change of cellulase activity in wheat straw were recorded in Table 1. Organic acid-producing seedlings and wood cord-cellulose degrading bacteria rapidly increased in the first week, and then the number of bacteria tended to increase. Balanced or stable. C 1 and Cx. The pattern of change in the activity of the yeast is the same as the pattern of changes in the bacterial count. However, the pH of the treated wheat straw gradually decreased and it was 4.5 on the 28th day.
Table 1 Biological changes of microalgae during in vitro treatment Item Treatment days 1 7 14 21 28 Lignin-cellulose degrading bacteria (c/kgDM) 1.0*10 8 1.5*10 10 1.5*10 10 1.4*10 10 1.4* 10 10 Acid-producing bacteria (c/kgDM) 2.0*10 8 1.8*10 10 1.8*10 10 1.1*10 10 <1*10 10 C l Enzyme activity (u/LgDM) 2.1 315.6 313.4 189.4 - Cx Enzyme activity (u / kgDM) 3.4 107.7 112.5 64.6 - Organic Acids (%) 0 0.33 0.85 1.22 1.57 PH Values ​​6.9 6.3 5.5 4.9 4.5 The type of roughage used in microbiological treatment in the relevant tests includes wheat straw (also known as wheat straw), straw, corn stalks, Sorghum culms and cotton stalks.
2 The feed intake of roughage and the dry matter digestibility of roughage-containing or roughage-containing diets for animals fed micro-preserved roughage are listed in Table 2. On the surface, the storage of roughage for cattle mainly improved the intake of roughage, while the sheep mainly improved the dry matter, organic matter and crude fiber in the roughage.
1 The method of micro-storage of roughage for roughage is similar to the ammoniation method. First, 3 grams of live dried bacteria were dissolved in 200 ml of water in 1 ton of roughage, allowed to stand for 1-2 hours, then diluted with 0.8% -1 % saline solution to 1200-1400 liters, and evenly sprayed on chopped roughage. One ton of roughage can be added with 1-3 kilograms of wheat bran or corn flour to aid fermentation. After handling the roughage, it was sealed for 21-30 days at a temperature above 10 °C. Fermented feeds can be fed directly to livestock.
During the in vitro release of alcohol, the counts of cellulose degrading bacteria and the change of cellulase activity in wheat straw were recorded in Table 1. Organic acid-producing seedlings and wood cord-cellulose degrading bacteria rapidly increased in the first week, and then the number of bacteria tended to increase. Balanced or stable. C 1 and Cx. The pattern of change in the activity of the yeast is the same as the pattern of changes in the bacterial count. However, the pH of the treated wheat straw gradually decreased and it was 4.5 on the 28th day.
Table 1 Biological changes of microalgae during in vitro treatment Item Treatment days 1 7 14 21 28 Lignin-cellulose degrading bacteria (c/kgDM) 1.0*10 8 1.5*10 10 1.5*10 10 1.4*10 10 1.4* 10 10 Acid-producing bacteria (c/kgDM) 2.0*10 8 1.8*10 10 1.8*10 10 1.1*10 10 <1*10 10 C l Enzyme activity (u/LgDM) 2.1 315.6 313.4 189.4 - Cx Enzyme activity (u / kgDM) 3.4 107.7 112.5 64.6 - Organic Acids (%) 0 0.33 0.85 1.22 1.57 PH Values ​​6.9 6.3 5.5 4.9 4.5 The type of roughage used in microbiological treatment in the relevant tests includes wheat straw (also known as wheat straw), straw, corn stalks, Sorghum culms and cotton stalks.
2 The feed intake of roughage and the dry matter digestibility of roughage-containing or roughage-containing diets for animals fed micro-preserved roughage are listed in Table 2. On the surface, the storage of roughage for cattle mainly improved the intake of roughage, while the sheep mainly improved the dry matter, organic matter and crude fiber in the roughage.
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