The operating technique can also be applied to the fermentation of other potato roots, such as fresh sweet potatoes and fresh potatoes:
In fresh cassava roots, the general moisture content is about 70%, the protein is 1%, the crude fat is 0.2%, the starch is about 28%, and the vitamin content is very rich. As fresh cassava contains a large number of toxic hydrogen cyanide substances, direct feeding can cause animal poisoning. The treatment of fresh cassava with crude feed degradation agents not only removes toxins from the cassava, but also directly feeds the animals without cooking, and the nutrients, digestion and absorption rate of the fresh cassava are also greatly increased.
To deal with cassava, the key is to ferment and remove the hydrocyanic acid toxic substances in it. At the same time, fresh cassava has a lot of pectin, so that the processed cassava produces more acid, and it is difficult to decompose, so it is best to cut it first. Break, shredded potato chips per 400 kg + 60 kg rice bran or wheat bran + 20 kg corn flour + a package of roughage degradation agent and semi-encapsulated vitality 99 enzyme (first mixed with 10 kg pounded corn flour) + salt 1.5 kg + urea 1 kg (can also be added, plus urea is to increase the protein content, so that the fermentation of microorganisms absorb urea in the nitrogen synthesis of bacterial protein) + 30 kg of soybean meal (peanut oysters, vegetable quail can be, to supplement The lack of protein) Stir thoroughly, press into the cylinder, or other containers, pay attention to pressing or stepping hard, above the plastic film, seal well, handle for a few days, it is best to handle more than ten days, there is a fragrance (wine Fragrance or acid scent)
If you are in the fermentation of ingredients, supplement the insufficient premix in the fermentation material (provided that this kind of premix is ​​not added with antibiotics, otherwise it will inhibit the fermentation), such as adding 4% of the premix of 2% for every 100 kg of fermented wet material. (Addition of salt is eliminated at this time.) After fermentation, animals can be fed directly instead of part of the full-priced feed.
Note that there is no need to add additional water in the ingredients. All the water comes from the water in the raw materials of potato chips. The formula has a moisture content of about 56%. Although it looks dry before fermentation, it will infiltrate the water during fermentation. However, after fermentation, the water content seems to have increased.
In this way, the crude protein content of the fermented potato is more than 12%.
When feeding, if you are too acid, you can add a small amount of baking soda to neutralization, such as adding 1 to 3 pounds of baking soda per 100 kilos of sample, and you can also use calcium carbonate powder to neutralize, that is, limestone powder, small The baking soda or calcium carbonate powder must be added before the ingredients are fed and neutralized (these bases cannot be added before or during fermentation).
When feeding, it can't be too single, can't use degraded cassava to feed the whole pig, otherwise the nutrition is too single and the nutrition is not complete. It is best to feed it together with other materials. Pure cassava is energy feed and protein is missing, so it is better to Supplementary protein feeds, as described above, were degraded with the addition of protein feeds such as cottonseed meal, and detoxification was also performed on the rapeseed meal and cottonseed meal.
Before feeding, the extracted fermented cassava is preferably exposed to dryness, allowing the toxic gases to evaporate and completely detoxify.
The following is a reference recipe for pigs after degrading the pure cassava (without adding soybean meal, etc.). Since the processed cassava is a wet material, the weight to be used is multiplied by 2, for example, 100 kg of feed, if used. It is 20%. For actual preparation, please use 40 kg instead of 20 kg.
Reference formula for feeding pigs, for reference only: 40 kg or more to start feeding and degrading cassava, 40 to 100 kg of formula: 20% of degraded cassava silk, 35% of corn flour, 26% of soybean meal, 3% of fish meal, 15% of wheat bran, hydrogen phosphate 1% calcium, 1% bone meal, 1% premix additive.
More than 100 pounds of big pigs, degrade 30% of cassava silk, 30% of corn flour, 18% of soybean meal, 7% of peanut bran (or cottonseed meal), 12% of wheat bran or polished rice bran, 1% calcium hydrogen phosphate, 1% of bone meal 1% of premix additives.
If 4% of the premix is ​​fermented together with tempeh and fermented (such as the above-mentioned fermentation method), then such fermented material can be used directly instead of part of the full-price feed, of course, when the first feeding , must be a small amount of test feeding, such as 10% test feeding, if the pig is suitable to eat, you can slowly increase the amount after a few days until it does not meet, and reduce the amount of 10%. Specific feeding methods are as follows: (Appropriately increase the dosage once every 3 days or so)
1 First test feeding: 10% fermentation material + 90% full price feed;
2 Second feeding: 20% fermentation material + 80% full price feed;
3 The third feeding: 30% fermentation material + 70% full price feed;
If you are comfortable with eating, you can also increase it appropriately, but it is advisable not to exceed 40%.
Other methods of cassava utilization are (more troublesome); slicing or shredding, boiling, picking up, drying, and crushing serve as an energy feed. Four kilograms of fresh potatoes can get one kilogram of flour. This digestion and absorption rate has also increased. It should be equivalent to the use of degradation agents. Feed the pigs according to the above formula, but be sure to add a pack of roughage degrader to each 400 kg or so of the feed, because in the above formula, 20-30% of the flour is used instead of corn flour (instead of the regular feed The amount of corn flour used in the formula), in fact, there is still a gap between the nutritional value of the flour and the corn flour, so the degradation agent is used to increase the digestion and absorption rate to make up for this deficiency. As long as before feeding, every 100 pounds of this kind of feed plus 120 pounds of water will be wetted and then fed. Of course, after wetting, it will be better if it is placed for one hour before feeding.
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