Healthy pig raising depends on the system. How does Yangxiang achieve low cost in the era of no resistance?
Improve the breeding level by improving the efficiency of the project and benchmarking management, continue to improve the breeding environment on the farm, and realize the improvement of pig production performance.
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Improve the breeding level by improving the efficiency of the project and benchmarking management, continue to improve the breeding environment on the farm, and realize the improvement of pig production performance.
Dr. Caimei Shao: The practice of anti-resistance in European feed and its enlightenment to Chinese feed enterprises
In 1999, the European Union announced that from July 1999 to January 1, 2006, only four antibiotic products were allowed to be used in feed: monensin, salinomycin, flavomycin, avilamycin In early 2006, the use of antibiotics in feed has been completely prohibited by law (Figure 1).
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In 1999, the European Union announced that from July 1999 to January 1, 2006, only four antibiotic products were allowed to be used in feed: monensin, salinomycin, flavomycin, avilamycin In early 2006, the use of antibiotics in feed has been completely prohibited by law (Figure 1).
On the fermentation mode of enzyme preparation
Analysis of liquid fermentation and solid fermentation products of enzyme preparation.
A: at present, almost all domestic enterprises producing feed enzymes by liquid fermentation publicize that liquid fermentation products are superior to solid-state fermentation products, and many scientific research workers engaged in animal nutrition research also agree with this view. In fact, this argument is one-sided. Solid state fermentation production exists in developing countries such as China, India and Brazil, and is also highly valued in some developed countries such as Japan and the Netherlands (mainly due to low energy consumption and basically no pollution emission), and the quality of solid-state fermentation products is also very good. Compared with liquid fermentation, solid fermentation products have the following two advantages: ① enzyme protein is a secondary metabolite. Secondary metabolites of mold are usually formed during the differentiation of mold. Liquid culture inhibits the differentiation of mold, so the enzyme production per unit volume of solid-state fermentation is often 5-10 times higher than that of liquid fermentation; ② the raw materials of solid-state fermentation are relatively extensive, and the final product often contains a variety of enzyme activities, which is suitable for use as feed additives. However, the enzyme system of liquid fermentation is often single, and the activity of only one enzyme is higher than that of other components.
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Analysis of liquid fermentation and solid fermentation products of enzyme preparation.
A: at present, almost all domestic enterprises producing feed enzymes by liquid fermentation publicize that liquid fermentation products are superior to solid-state fermentation products, and many scientific research workers engaged in animal nutrition research also agree with this view. In fact, this argument is one-sided. Solid state fermentation production exists in developing countries such as China, India and Brazil, and is also highly valued in some developed countries such as Japan and the Netherlands (mainly due to low energy consumption and basically no pollution emission), and the quality of solid-state fermentation products is also very good. Compared with liquid fermentation, solid fermentation products have the following two advantages: ① enzyme protein is a secondary metabolite. Secondary metabolites of mold are usually formed during the differentiation of mold. Liquid culture inhibits the differentiation of mold, so the enzyme production per unit volume of solid-state fermentation is often 5-10 times higher than that of liquid fermentation; ② the raw materials of solid-state fermentation are relatively extensive, and the final product often contains a variety of enzyme activities, which is suitable for use as feed additives. However, the enzyme system of liquid fermentation is often single, and the activity of only one enzyme is higher than that of other components.
Advantages of original TY100 solid-state fermentation enzyme system
The original TY100 composite enzyme system is a new generation of original ecological enzyme system produced by modern solid-state fermentation technology with a specific proportion of feed materials as the medium.
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The original TY100 composite enzyme system is a new generation of original ecological enzyme system produced by modern solid-state fermentation technology with a specific proportion of feed materials as the medium.
Mingan Choct: Re-understanding the quality and energy value of starch (new corn is launched)
Mingan Choct: Re-understanding the quality and energy value of starch (new corn is launched)
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Mingan Choct: Re-understanding the quality and energy value of starch (new corn is launched)
Enzymatic hydrolysis reaction test of soybean meal
Test materials: electronic balance, glass rod, 100 ml beaker, 100 degrees Celsius boiling water, soybean meal, Yohengyuan enzyme, other brand protease or protease-containing compound enzyme (if necessary)
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Test materials: electronic balance, glass rod, 100 ml beaker, 100 degrees Celsius boiling water, soybean meal, Yohengyuan enzyme, other brand protease or protease-containing compound enzyme (if necessary)
