Edible mushroom, spent mushroom substrate and probiotics-containing nutrient solution for livestock and poultry and preparation method thereof

[0021] (1) Preparation of edible fungus bran probiotic nutrient solution for livestock and poultry

[0022] ①Preparation of fungus bran cooking solution: Select 100kg of Bailing mushroom fungus after normal cultivation, crush it into 1-3mm pieces, add water twice the weight of the fungus chaff, soak at 100°C for 2 hours, and press filter to separate the filtrate and filter residue, introduce the high-temperature filtrate into the sterilized storage tank, pass through the sterile air to keep the pressure, and the pressure in the tank is 0.03mpa

[0023] ②Preparation of fermentation medium I:

[0024] First prepare the activation medium i: add 1g of glucose, 0.5g of cornmeal, KH 2 PO 4 0.01g, and 10ml (volume) of the mushroom bran infusion solution prepared in step ①, prepared with tap water, adjusted to pH 5.5-6.0, and sterilized by high-temperature steam at 121°C for 30 minutes;

[0025] When the activation medium i is cooled to 36°C, inoculate the cold-preserved mother speci

[0042] (1) Preparation of edible fungus bran probiotic nutrient solution for livestock and poultry

[0043] ①Preparation of mushroom bran cooking liquid: select 50kg of Pleurotus eryngii mushroom bran and Flammulina velutipes mushroom bran after normal cultivation, crush them into 1-5mm pieces, add water with 1.5 times the weight of fungus bran, and soak at 95°C for 2 hours. Press filtration to separate the filtrate and filter residue, introduce the high-temperature filtrate into a sterilized storage tank, and pass in sterile air to keep the pressure, and the pressure in the tank is 0.03mpa;

[0044] ②Preparation of fermentation medium I:

[0045] First prepare the activated medium i: 100ml of medium containing 1g of glucose, 0.5g of cornmeal, KH 2 PO 4 0.01g, and 10ml (volume) of the mushroom bran infusion solution prepared in step ①, prepared with tap water, adjusted to pH 5.5, and sterilized by high-pressure steam at 121°C for 30 minutes;

[0046] When the activation medium