Distiller's grains feeding pigs should pay attention to matters needing attention

Author: Gymboree Time: 2015-11-25

Distiller's grains are a by-product of winemaking. Because they are rich in crude nutrients such as crude protein, crude fiber, crude fat, and vitamin B family, the use of wine troughs to feed pigs is also a scientific feeding technique.

The nutritional value of distiller's grains is related to the raw material of brewing. In the case of grain and wine, the soluble carbohydrates in the grain are fermented into alcohol and extracted, so other nutrients that remain in the distiller's grains, such as crude protein, crude fat; crude fiber and ash, etc. Correspondingly, its digestibility has not changed much. Distillers dry matter, the crude protein content of 8-25%, digestive energy 6.0 MJ / kg or more, rich in B vitamins, calcium and phosphorus imbalance, feeding distiller's grains is easy to cause constipation, pig disease prevention and control should be done Learn science feeding techniques.

Wicker feeding pigs should pay attention to the following points:

1, promote fresh feed and timely feed

The trough contains crude protein, nutrients such as crude fat, and abundant phosphorus and B vitamins. It is a good feed for finishing pigs in the fresh state. Therefore, the storage of distillers grains should not be too thick, avoid sun exposure, prevent heat from producing mildew, and the corrupted lees cannot be fed again, or must be fed after fermentation.

2, limited feeding

Distiller's grain is a kind of fire feed. Pigs fed with distiller's grains must be used together with a certain proportion of corn, bran, cakes and other fine feeds, supplemented with appropriate amounts of bone meal, eggshell powder, trace elements and other mineral feeds, and at the same time provide sufficient green feed. Generally no more than 20% of the daily feed, ie not more than 1.5kg per pig per day, and it is best to feed for a while and stop for a period of time. Of course, after the fermentation is improved, the dosage can be increased.

3, before feeding

Fresh distiller's grains are rich in alcohol, and should be treated with high temperature or dried before feeding to make alcohol evaporate. If the taste is normal, you can use sauerkraut to brew before feeding to improve palatability. For an abnormal sour distillers grains, appropriate amount of baking soda powder or stone powder should be added. Generally, 50-75g per kilogram of distillers' grains is added to stir evenly to neutralize acetic acid. Learning science to feed pigs reduces toxicity.

4. Don't feed male and female pigs without fermented distiller's grains

Digestive feeding of pregnant sows can lead to miscarriage of sows, producing weak piglets or stillbirths. Digesters feeding suckling sows can easily lead to a decline in the quality of sow's milk, which can cause piglets to pull and other diseases. Distillers feeding boars deform the boar's spermatozoa, lowering the conception rate of the sow, and causing boar shortness of breath, rapid heartbeat, and vasoconstriction, which affects the body's metabolism.

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