[0018] In a first aspect, the present invention provides a method for preparing a fermented feed, the method comprising: mixing corn starch residue, corn meal, DDGS, DDS, sprayed corn husks and molasses to obtain a fermentation substrate, and then fermenting bacteria The seeds are inoculated into the fermentation substrate and fermented to obtain the fermented feed.
[0019] Although cornstarch residue, corn meal, DDGS, DDS, sprayed corn husks and molasses are compounded as fermentation substrates to achieve the purpose of the present invention, that is, to promote the consumption of feed products containing the fermented feed prepared by this method. The growth performance and production performance of animals, but the inventor of the present invention further found in research that when the amount of the corn flour used is 10-80 parts by weight relative to 100 parts by weight of corn starch residue, the sprayed corn husks The consumption is 200-1000 parts by weight, the consumption of the DDS is 100-1000 parts by weight, the consumption of the DDGS is 100-500 parts by weight, the consumption of the molasses is 10-50 parts by weight; In 100 parts by weight of corn starch residue, the consumption of the corn flour is 20-50 parts by weight, the consumption of the sprayed corn husks is 600-900 parts by weight, and the consumption of the DDS is 400-600 parts by weight, so When the consumption of the DDGS is 150-250 parts by weight, and the consumption of the molasses is 25-40 parts by weight, the growth performance and production performance of animals can be further promoted.
[0020] According to the present invention, the cornstarch residue can be various cornstarch residues conventionally used in the field, which is not particularly limited in the present invention, but in order to further promote the growth performance and production performance of animals, preferably, the cornstarch residue is The moisture content of starch residue is 5-12% by weight, the crude ash content is 2-5% by weight, the crude fat content is 5-12% by weight, the crude protein content is 20-30% by weight, and the crude fiber content is 5-15% by weight %, further preferably, the moisture content of the cornstarch residue is 8-9% by weight, the crude ash content is 3-4% by weight, the crude fat content is 8-9% by weight, and the crude protein content is 22-26% by weight , the crude fiber content is 9-11% by weight.
[0021] According to the present invention, the corn meal can be various corn meal conventionally used in the field, which is not particularly limited in the present invention, but in order to further promote the growth performance and production performance of animals, preferably, the corn meal The moisture content is 8-15% by weight, the crude ash content is 0.5-3% by weight, the crude fat content is 1-5% by weight, the crude protein content is 5-12% by weight, the crude fiber content is 1-6% by weight, and further Preferably, the corn flour has a moisture content of 11-13% by weight, a crude ash content of 1-2% by weight, a crude fat content of 2-3% by weight, a crude protein content of 7-9.5% by weight, and a crude fiber content 3-4 wt%.
[0022] According to the present invention, the DDGS can be various DDGS conventionally used in the field, which is not particularly limited in the present invention, but in order to further promote the growth performance and production performance of animals, preferably, the moisture content of the DDGS is 5-15% by weight, acidity calculated as lactic acid 3-8% by weight, crude ash content 1-10% by weight, crude fat content 5-15% by weight, crude protein content 20-35% by weight, crude fiber The content is 5-15% by weight, further preferably, the moisture content of the DDGS is 8-11% by weight, the acidity is 4-5%, the crude ash content is 4-6% by weight, and the crude fat content is 7-9.5% by weight %, the crude protein content is 26-30% by weight, and the crude fiber content is 8-12% by weight.
[0023] According to the present invention, the DDS can be various DDS conventionally used in the field, which is not particularly limited in the present invention, but in order to further promote the growth performance and production performance of animals, preferably, the moisture content of the DDS is 50-80% by weight, the acidity calculated as lactic acid is 1-5% by weight, the crude ash content is 15-25% by weight, the crude protein content is 15-25% by weight, and further preferably, the moisture content of the DDS is 60%. -75 wt%, acidity 3-4.5%, crude ash content 17-20 wt%, crude protein content 18-22 wt%.
[0024] According to the present invention, the sprayed corn husks can be various types of sprayed corn husks conventionally used in the field, which are not particularly limited in the present invention, but in order to further promote the growth performance and production performance of animals, preferably, the The water content of the sprayed corn husks is 5-15% by weight, the acidity calculated as lactic acid is 5-15% by weight, the crude ash content is 4-15% by weight, the crude fat content is 0.5-5% by weight, and the crude protein content is 0.5-5% by weight. is 15-28% by weight, the crude fiber content is 5-15% by weight, and further preferably, the water content of the sprayed corn husks is 7-10% by weight, the acidity is 7.5-9.5%, and the crude ash content is 6- 9% by weight, crude fat content is 1-3% by weight, crude protein content is 20-23% by weight, and crude fiber content is 7-10% by weight.
[0025] According to the present invention, the molasses can be various molasses conventionally used in the field, and the present invention is not particularly limited, but in order to further promote the growth performance and production performance of animals, preferably, the moisture content of the molasses is 20-40% by weight, the crude ash content is 15-25% by weight, the crude protein content is 10-20% by weight, and further preferably, the moisture content of the molasses is 25-35% by weight, and the crude ash content is 18-22% by weight % by weight, the crude protein content is 12-18% by weight.
[0026] According to the present invention, the water content of the fermentation substrate can be selected within a wide range, as long as the metabolic activity of the fermentation strain can be ensured. Preferably, in order to further improve the fermentation performance, thereby promoting the growth performance and production performance of animals, the water content of the fermentation substrate is 20-35% by weight, preferably 27-29% by weight.
[0027] Wherein, when the above-mentioned materials of the present invention are mixed, if the water content is within the above preferred range of the present invention, there is no need to add additional water; if the water content does not reach the above preferred range, additional water can be added. The water content is adjusted to the preferred range of the present invention.
[0028]According to the present invention, the indexes of the above components are all measured by methods known in the art. For example, the moisture content is determined by "GB/T 6435 Determination of Feed Moisture and Other Volatile Substance Content", and the acidity is determined by chemical titration. Determination; crude ash content is determined by "GB/T 6438-2007 Determination of crude ash in feed"; crude fat content is determined by "GB/T 6433 Determination of crude fat in feed"; crude protein content is determined by "GB/T 6432 Feed" Determination of medium and crude protein"; crude fiber content was determined by "GB/T 6434 Determination of crude fiber in feed".
[0029] According to the present invention, in order to further improve the fermentation performance, thereby promoting the growth performance and production performance of animals, preferably, before inoculating the fermentation strain into the fermentation substrate, it also includes adjusting the pH value of the fermentation substrate to 5.5-6.5.
[0030] Although the pH value of the fermentation substrate can be adjusted using various reagents known in the art for acid-base adjustment, such as sodium hydroxide, potassium hydroxide, ammonia water, etc., the inventors of the present invention are studying It was found in the process of adding calcium carbonate to adjust the pH value of the fermentation substrate, which can further promote the fermentation performance, so that the prepared fermented feed can more effectively promote the growth performance and production of animals after being used for feed preparation. performance.
[0031] According to the present invention, the fermentation strain may be a conventional fermentation strain in the art, for example, may be at least one of yeast, lactic acid bacteria, photosynthetic bacteria, actinomycetes and bacillus. According to a particularly preferred embodiment of the present invention, the fermentation strain is a mixed strain of Bacillus subtilis, Bacillus licheniformis, Lactobacillus acidophilus and Candida utilis, in this preferred case, each strain It can play a synergistic role between them, so that the fermentation performance can be improved to the greatest extent, and the effect of fermented feed in promoting animal growth and production can be further improved.
[0032] Among them, preferably, the inoculum amount of the fermentation strain can be selected within a wide range, as long as under suitable growth conditions, each strain can grow and multiply rapidly, thereby growing into a dominant bacterial group. According to a preferred embodiment of the present invention, with respect to 100 parts by weight of cornstarch residue, the inoculation amount of the fermentation strain is 10-50 parts by weight, more preferably 25-40 parts by weight.
[0033] Wherein, the present invention also has no particular limitation on the ratio of Bacillus subtilis, Bacillus licheniformis, Lactobacillus acidophilus and Candida utilis, as long as various strains are inoculated into the fermentation substrate, under suitable conditions, the It quickly multiplied to become the dominant flora. According to a preferred embodiment of the present invention, the inoculation mass ratio of Lactobacillus acidophilus, Bacillus subtilis, Bacillus licheniformis and Candida utilis is 1-3:0.5-1.5:0.5-1.5:1, preferably 1.5 -2.5:0.8-1.2:0.8-1.2:1.
[0034] According to the present invention, the fermentation conditions can also be selected according to the conventional conditions in the art, as long as it can be suitable for the growth and reproduction of the bacterial species. Preferably, the fermentation temperature is 33-37° C. and the time is 24-48 hours.
[0035] In the second aspect, the present invention also provides the fermented feed prepared by the above method.
[0036] In a third aspect, the present invention also provides the application of the above-mentioned fermented feed in feed products.
[0037] The inventors of the present invention found in research that although the fermented feed of the present invention can effectively promote the growth performance and production performance of the raised animals after being prepared as a feed suitable for various feeding animals, when it is prepared as a feed for laying hens Feed, especially after being prepared as feed for the middle and late stages of laying hens, can effectively promote the growth performance and production performance of laying hens. , Yolk Color and Hastelloy Units.
[0038] Thus, in the fourth aspect, the present invention also provides a feed for laying hens, the feed for laying hens containing the fermented feed as described above.
[0039] According to the present invention, in order to further promote the improvement of the above performance of laying hens, the feed for laying hens also contains corn, soybean meal, stone powder and premix. Preferably, based on the total weight of the laying hen feed, the content of the fermented feed is 4-8% by weight, the content of corn is 45-60% by weight, the content of soybean meal is 25-28% by weight, and the content of stone powder is 25-28% by weight. The content is 8-9% by weight, and the content of the premix is 4-6% by weight.
[0040] According to the present invention, the soybean meal is preferably soybean meal with a crude protein content of 40-45% by weight, which can be obtained commercially, for example, can be purchased from COFCO Huanghai Cereals and Oils Industry (Shandong) Co., Ltd. with a crude protein content of 43% by weight of soybean meal. The crude protein content can be determined by "GB/T 6432 Determination Method of Crude Protein in Feed".
[0041] According to the present invention, the stone powder can be a variety of conventional stone powders for adding to feed products, and its main component is calcium carbonate, which is generally obtained through commercial purchase, for example, it can be purchased from Pengbo Mineral Products Processing in Lingshou County factory.
[0042] According to the present invention, the premix can be a conventional premix for preparing laying hen feed, generally containing soybean meal, methionine, lysine, threonine, multivitamins, minerals, sodium chloride and choline, The content of soybean meal is 0.35-1.45% by weight, the content of methionine is 0.1-0.3% by weight, the content of lysine is 0.45-0.55% by weight, the content of threonine is 0.15-0.25% by weight, and the content of multi-dimensional is 0.02- 0.04% by weight, the content of minerals is 0.08-0.12% by weight, the content of sodium chloride is 0.2-0.4% by weight, and the content of choline is 0.08-0.12% by weight. Specifically, the premix can be obtained by uniformly mixing the same quantitative carrier, diluent, etc. according to the above components and ratios by using conventional technical means in the art. The premix can be prepared by itself, and can be obtained by commercial The commercially available, for example, premix can be purchased from COFCO (Beijing) Feed Trading Co., Ltd., model P-415AA.
[0043] The laying hen feed (drying feed) prepared by the method of the present invention meets the index requirements of each component in the laying hen feed, wherein the requirements of the laying hen feed for each index are shown in Table 1.
[0044] Table 1
[0045]
[0046]
