Feed fermentation advantages and technical points
Feed fermentation refers to a feed processing method in which feed ingredients are fermented with live bacteria preparations to improve feed utilization performance. Live bacteria preparations contain Bacillus, lactic acid bacteria, yeasts, etc., generally adopting anaerobic fermentation methods. The raw materials for fermentation are rice bran, glutinous rice, straw, glutinous water, herbage, cottonseed husks, peanut husks, various kinds of cakes, bean dregs, sweet potato slag, brewer's grains, and chicken manure. It can be used to make pigs, chickens and cattle and sheep compound feeds. The nutrition of the feed after fermentation is more comprehensive and there are many advantages, mainly in the following points:
1, improve feed utilization, reduce feed costs. The indigestible macromolecules such as cellulose in feed are degraded into small-molecule sugars, amino acids, small peptides, and biological enzymes to improve feed nutrition and digestibility.
2, detoxification, detoxification, increase palatability and feed intake. The fermentation process degrades toxic and harmful substances in feeds and improves feed safety. Fermented cottonseed cakes and rapeseed cakes can be used in place of soybean meal. Fermentation feed smell mellow, good palatability.
3, improve animal immunity. The fermented feed can supplement animal intestinal flora, inhibit harmful bacteria, maintain intestinal microecological balance, and establish intestinal immune barriers.
4. Reduce fecal emissions and reduce the generation of harmful gases.
5, enhance the meat flavor, make the meat delicious and delicious.
Since there are so many advantages in fermented feed, what technical points should be paid attention to in fermented feed? Take Beijing Jinxia Kangyuan Science and Technology Co., Ltd. as an example, introduce the technical points in the process of feed fermentation.
1. The Golden Baby's feed starter must first be mixed with the fermentation raw material to be diluted, and then mixed with the rest of the raw materials. The ratio of dry raw material to water is 1: (1 to 1.2). Hold the raw material after adding water, and use the fingers to see the water but do not dribble it.
2. Fermentation raw materials should be diversified as much as possible, and the content of energy feed such as corn and wheat bran should not be less than 20%. Do not use mildew to degenerate raw materials.
3, the fermentation process must be kept sealed, bagging pool can be, but can not be compacted.
4. The finished feed should be stored in a cool and dry place.
5. Seal the container immediately after taking the material. Avoid exposure for too long to avoid mold contamination.
6, if the material after fermentation due to improper storage and other reasons, resulting in mildew or odor, should be discarded.
7. The optimum proportion of fermented feed: 10% to 20% of piglets, 20% to 30% of large pigs and chickens (in dry matter), which can be directly added to the original full-price feed. Roughage feeds cattle and sheep directly.
8, the general prohibition of material weight less than 25 kg for fermentation experiments.
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