Method used for preparing pig feed by taking sweet potato vine as raw material
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A sweet potato seedling, pig feed technology, applied in animal feed, animal feed, application and other directions, can solve problems such as poisoning, low digestion and absorption rate, etc.
Inactive Publication Date: 2015-08-12
JINGCHU UNIV OF TECH
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However, directly feeding sweet potato seedlings to pigs has a very low digestion and absorption rate and can cause poisoning. T
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Embodiment 1
[0017] Ingredients according to the following parts by weight: 70 sweet potato seedlings, 30 corn, multidimensional 0.1, biological fattening essence 0.15, baking soda powder 0.5, saccharin 0.012 grams, fermented yeast liquid 0.008; Acid lactic acid bacteria: Bacillus subtilis = 90:4:1; sweet potato seedlings are crushed into diameters of 6-33mm;
[0018] The water content is controlled to 60 wt%, the temperature is above 0° C., and the sealed fermentation is carried out for 60 hours to obtain fermented sweet potato seedling pig feed.
Embodiment 2
[0020] Ingredients according to the following parts by weight: 80 sweet potato seedlings, 20 corn, 0.3 multidimensional, 0.05 biological fattening essence, 1.5 baking soda powder, 0.008 grams of saccharin, 0.012 grams of fermented yeast liquid; Acid lactic acid bacteria: Bacillus subtilis = 100:2:1;
[0021] The water content is controlled to 70 wt%, the temperature is above 0° C., and sealed fermentation is carried out for 84 hours to obtain fermented sweet potato seedling pig feed.
Embodiment 3
[0023] Ingredients according to the following parts by weight: 75 sweet potato seedlings, 25 corn, multidimensional 0.2, biological fattening essence 0.1, baking soda powder 1, saccharin 0.01 g, fermented yeast liquid 0.01; Acid lactic acid bacteria: Bacillus subtilis = 96:3:1.
[0024] The water content is controlled at 65 wt%, the temperature is above 15° C., and sealed fermentation is carried out for 72 hours to obtain fermented sweet potato seedling pig feed.
[0025] The raw material of sweet potato seedlings before and after fermentation in Example 3 was tested and analyzed for wet weight and dried nutritional value, and the results are shown in Table 1.
[0026] Table 1
[0027]
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Abstract
The invention discloses a method used for preparing a pig feed by taking sweet potato vine as a raw material. The pig feed is prepared from, by weight, 70 to 80 parts of sweet potato vine, 20 to 30 parts of corn, 0.1 to 0.3 part of multi vitamin, 0.05 to 0.15 part of a biological fattening agent, 0.5 to 1.5 parts of bicarbonate soda, 0.008 to 0.012 part of saccharin, 0.008 to 0.012 part of a fermentation mother liquid; the fermentation mother liquid is prepared from soybean whey, lactobacillus acidophilus, and bacillus subtilis at a volume ratio of (90-100):(2-4):1; water content is controlled to be 60 to 70wt%; temperature is controlled to be higher than 0 DEG C; and the pig feed prepared from sweet potato vine is obtained via 60 to 84h of sealed fermentation. Before degradation, only 12% of the nutrients of sweet potato vine can be absorbed by animals, and after degradation, 93% of the nutrients can be absorbed; protein digestion rate after degradation is seven times higher than that before degradation; crude protein content is increased by more than 50%; digestible energy and metabolizable energy are increased greatly; and vitamin content is increased by 3 to 30 times.
Description
technical field [0001] The invention belongs to the technical field of feed, and in particular relates to a method for preparing pig feed by fermenting sweet potato seedlings. Background technique [0002] Sweet potato sprouts Ipomoeabatatas (L.) Lam. Also known as sweet potato leaves and sweet potato seedlings, it is a plant of the genus Sweetpotato in the family Convolvulaceae. Sweet potato seedlings are the most common and common crops in rural areas. Sweet potato seedlings are rich in carotene, vitamins, iron and Calcium has high nutritional value and is cheap and easy to obtain. It can be used to feed pigs, chickens, ducks, geese, etc., which can not only recycle waste, but also reduce feed costs, killing two birds with one stone. However, directly feeding sweet potato seedlings to pigs has a very low digestion and absorption rate and can also cause poisoning. Therefore, it is particularly important to make full use of sweet potato seedlings in the process of raising pi...
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