Compound feed for relieving lamb stress, and preparation method and application thereof
A compound feed, stress technology, applied in the application, animal feed, animal feed, etc., can solve the problems of death, sheep production performance disorder, and small scope of application
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Embodiment 1
[0032] Embodiment 1: A kind of compound feed for alleviating lamb stress
[0033]The invention provides a compound feed for alleviating the stress of lambs, which comprises 8.1%-9.7% of ferrous sulfate, 0.8%-1.6% of copper sulfate, 3.62%-7.52% of manganese sulfate and 11% of zinc sulfate according to weight percentage -15%, yeast selenium 19.7%-21.7%, potassium iodide 0.4%, calcium carbonate 3.94%-5.54%, vitamin A 7.8%-9.8%, vitamin D7.7%-8.9%, vitamin E12.8%-14.8%, Yeast culture 3%-7%, probiotics 4.9%-6.9%, trehalose 2%, skimmed milk powder 1.8%-2.2%.
Embodiment 2
[0034] Embodiment 2: A kind of preparation method of the compound feed that is used to alleviate lamb stress
[0035] The present invention specifically provides a preparation method of compound feed for alleviating lamb stress, and the specific production steps are as follows:
[0036] (1) remove impurities by ferrous sulfate, copper sulfate, manganese sulfate, zinc sulfate, yeast selenium, potassium iodide, calcium carbonate, cross 80-100 mesh sieve;
[0037] (2) Select Bacillus natto (Bacillus natto), Bacillus subtilis (Bacillus subtilis), lactic acid bacteria (Lactic acid bacteria) freeze-dried powder according to mass ratio (3-7): (7-9): 2 mix, use beef Paste peptone medium for expanded culture, the pH of the medium is 6.8-7.6, the culture temperature is 31-39°C, the culture time is 17-33h, and the number of viable bacteria is not less than 2×10 8 cfu / g;
[0038] (3) freeze-drying the compound probiotics prepared in step (2), and mixing them with trehalose and skimmed m...
Embodiment 3
[0041] Embodiment 3: A kind of compound feed for alleviating lamb stress
[0042] Ferrous sulfate 9.7kg, copper sulfate 1.6kg, manganese sulfate 7.62kg, zinc sulfate 11kg, yeast selenium 19.7kg, potassium iodide 0.04kg, calcium carbonate 3.94kg remove impurities, cross 80-100 mesh sieves; select Bacillus natto ( Bacillus natto), Bacillus subtilis (Bacillus subtilis), and lactic acid bacteria (Lactic acid bacteria) freeze-dried powder were mixed according to the mass ratio of 3:7:2, and beef extract peptone medium was used for expansion culture, the pH of the medium was 6.8, and the culture temperature was 31 ℃, the culture time is 17h, and the number of live bacteria is not less than 2×10 8 cfu / g; 4.9kg of the prepared compound probiotics was freeze-dried, mixed with 2kg of trehalose and 2.2kg of skimmed milk powder; 9.8kg of vitamin A, 7.7kg of vitamin D, 12.8kg of vitamin E and 7kg of yeast culture were mixed evenly; The prepared materials are mixed and packaged in a feed p...
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