Feed prepared by threonine fermentation waste and preparation method thereof
A technology of threonine fermentation liquid and threonine, which is applied in the field of amino acid fermentation waste liquid treatment, can solve the problems of not meeting the requirements of dietary health, the decline of pork quality and taste, etc., to improve immunity, increase appetite, and improve utilization rate effect
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Embodiment 1
[0030] An animal feed prepared by using threonine fermentation waste, which is prepared according to the following method:
[0031] Step 1) Filtration and decolorization of threonine fermentation broth: the threonine fermentation broth is sterilized by microfiltration membrane filtration, and the retentate and filtrate are collected respectively; Permeate: Combine the above-mentioned retentate and concentrated solution into feed liquid A for later use; pump the permeate into the decolorization tank for decolorization treatment, add activated carbon accounting for 1% of the permeate mass in the decolorization tank, and control the temperature in the decolorization tank to 45°C , after decolorization for 30 minutes, remove activated carbon by plate and frame filtration to obtain feed solution B; wherein, the microfiltration membrane is an inorganic ceramic membrane with a molecular weight cut-off of 2000MW, and the microfiltration temperature is 40°C; the ultrafiltration membrane...
Embodiment 2
[0043] An animal feed prepared by using threonine fermentation waste, which is prepared according to the following method:
[0044] Step 1) Filtration and decolorization of threonine fermentation broth: the threonine fermentation broth is sterilized by microfiltration membrane filtration, and the retentate and filtrate are collected respectively; Permeate: Combine the above-mentioned retentate and concentrated solution into feed liquid A for later use; pump the permeate into the decolorization tank for decolorization treatment, add activated carbon accounting for 1% of the permeate mass in the decolorization tank, and control the temperature in the decolorization tank to 45°C , after decolorization for 30 minutes, remove activated carbon by plate and frame filtration to obtain feed solution B; wherein, the microfiltration membrane is an inorganic ceramic membrane with a molecular weight cut-off of 2000MW and a microfiltration temperature of 40°C; the ultrafiltration membrane ha...
Embodiment 3
[0056] Feed effect test prepared by the present invention:
[0057] 1. Select 300 pigs infected with classical swine fever, the age of which is between 2 and 4 months; the symptoms are: unknown high fever, loss of appetite or disappearance, conjunctivitis with purulent secretions, and purulent mucus often flow out of the nasal cavity , with vomiting and blood in the stool; there are often many spot-like bleeding or large red spots on the skin of the base of the ear, abdomen, and medial thigh. Mesenteric lymph nodes are swollen, often with hemorrhagic enteritis, and button ulcers in the mucosa of the large intestine. They were randomly divided into three groups, 100 in each group; all three groups were treated with Qingwenbaidu powder, 20g per 1kg of body weight, for 7 consecutive days.
[0058] Experimental group: given the feed prepared in Example 1 of the present invention; control group 1: given Tongwei medium and large pig compound feed; control group 2: given the feed of...
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