Nutritional characteristics of corn germ meal

Corn germ meal is one of the important by-products of corn deep processing, with comprehensive nutritional components and low prices, and is a valuable feed resource.

Corn germ meal contains 18% to 20% crude protein, 1% to 2% crude fat, and 11% to 12% crude fiber. Its amino acid composition is similar to that of corn protein feed (or corn gluten feed). From the perspective of protein quality, although the protein quality of corn germ meal is higher than that of grain based energy feed, the content of various limiting amino acids is lower than that of corn protein meal, cotton and rapeseed meal.

Corn germ meal has good palatability, especially its low price, and has good application value in livestock and poultry diets.

Corn germ meal is a fibrous medium energy feed that can be used as a supplement for protein and energy in the diet of growing and finishing pigs. At the same time, it has been widely used in poultry production such as laying hens, broilers, geese, etc. The research mainly focuses on the application effect of corn germ meal, and there are few reports on basic research such as amino acid digestion and energy utilization. Whole-fat corn germ is often used as a dietary fat supplement for beef or dairy cattle in foreign countries. The effects of whole-fat corn germ on growth performance, milk production performance, carcass and milk quality were studied.

The crude protein content and crude fiber content of dry corn germ meal are lower than those of wet corn germ meal, and their effective energy values are similar. The content of minerals and trace elements varies depending on the processing process.

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