A kind of compound premix and its application during the laying period of laying hens to improve intestinal health
A compound premix, gut health technology, applied in application, animal feed, animal feed, etc., to reduce the water content of feces, improve the immunity and disease resistance of laying hens, and have strong bearing and water absorption functions.
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Embodiment 1
[0056] The preparation of embodiment 1 sawdust
[0057] The preparation method of sawdust comprises the following steps: removing foreign matter from sawdust or waste sawdust without mildew and pests, placing it in an ultrasonic cleaner at 200W, 30KHz for 10 minutes, rinsing and draining, putting it into a steam kettle at 0.35 Cook at MPa for 25 minutes, then place it in a microwave dryer at 2000W and 120°C for 3 minutes for intermittent drying, so that the water content reaches 9%, and finally 2.0 sieves are crushed, sealed and packaged to obtain wood chips;
[0058] The cleaning solution is a sodium bicarbonate solution with a mass percent concentration of 0.5%;
[0059] The batch drying process is as follows: microwave radiation for 10s, stay for 10s, and so on, and cycle drying.
Embodiment 2
[0060] The preparation of embodiment 2 probiotics
[0061] The preparation method of the micro-ecological preparation comprises the following steps: Bacillus subtilis CGMCCNO.7926 and Lactobacillus plantarum CGMCCNO.7928 are respectively activated by slant strains and first-level, second-level, third-level liquid seeds and first-level seed tanks are gradually expanded Cultivate to obtain liquid seeds, then mix evenly according to the volume ratio of 2:4, insert 10% inoculum into the secondary seed tank, cultivate at 35°C for 20 hours to obtain mixed liquid seeds, stirring speed 500r / m, ventilation volume (V / V) 1 :2; put the mixed liquid seeds into the fermenter with 6% inoculum size, culture at 33°C for 12h, stirring speed at 400rpm, ventilation rate (V / V) 1:3, and then slowly cool down to 12°C at a cooling rate of 2°C / h , cultivated at constant temperature for 15-20h; continue to cool down slowly to 4°C at a cooling rate of 2°C / h, at this time, add the mixed liquid seeds into...
Embodiment 3
[0075] A compound premix for laying hens that improves the health of the intestinal tract, consisting of the following raw materials in parts by weight: 30 parts of sawdust, 20 parts of calcium hydrogen phosphate, 15 parts of zeolite powder, 11.34 parts of rapeseed meal, 6.5 parts of table salt 3.2 parts of gastric acid, 3.3 parts of DL-methionine, 3 parts of compound trace elements, 2 parts of Sumex, 1 part of compound enzyme preparation, 1.4 parts of probiotics, 1.2 parts of choline chloride, 0.6 parts of multivitamins, and the United States 0.5 parts of efficacies, 0.6 parts of 30 betaine, 0.12 parts of Xianling No. 5 powder;
[0076] Described sawdust is prepared for embodiment 1;
[0077] Described probiotics preparation is embodiment 2;
[0078] Preparation method: first crush the rapeseed meal with a 2.0 sieve for later use, then uniformly mix the sawdust and zeolite powder, and finally take the materials in sequence according to the above raw material formula, and mix...
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