Preparation method of pig feed containing cow dungs
A technology of pig feed and cow dung, which is applied in the field of feed, can solve problems such as the adverse effects of the normal life of surrounding residents, the unreasonable dietary structure of pigs, and the shortening of fattening time, so as to achieve the elimination of breeding and reproduction, improve the nutrition and taste of meat, and increase the appetite of pigs Effect
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Embodiment 1
[0021] A preparation method of pig feed containing cow dung, is characterized in that, comprises the following steps:
[0022] (1) Cow dung pretreatment: collect cow dung that has been naturally air-dried to a water content of 55%, concentrated drying to a water content of 7%, adding water three times the total mass of cow dung, and adding 10% of the total mass of cow dung Disinfectant, keep boiling for 130 minutes, add deodorant when cooling to 50°C, stir for 15 minutes, add biological activated carbon, stir for 3 minutes, and filter.
[0023] (2) Cow dung essence treatment: the filter residue filtered in step (1) is dried until the water content is 10% to obtain cow dung dry powder, and the filtered filtrate is concentrated to 1 / 3 of the total volume of the filtrate, and ethanol is added Extract for 18 hours, recover ethanol under reduced pressure, then add acetone, extract for 8 hours, recover acetone under reduced pressure, boil the remaining liquid into paste to obtain co...
Embodiment 2
[0032] A preparation method of pig feed containing cow dung, is characterized in that, comprises the following steps:
[0033] (1) Cow dung pretreatment: Collect cow dung that has been naturally air-dried to a water content of 60%, concentrated drying to a water content of 9%, adding water three times the total mass of cow dung, and adding 15% of the total mass of cow dung Disinfectant, keep boiling for 150min, add deodorant when cooling to 60°C, stir for 15min, add biological activated carbon, stir for 3min, filter.
[0034] (2) Cow dung essence treatment: the filter residue filtered in step (1) is dried to a water content of 13% to obtain cow dung dry powder, and the filtered filtrate is concentrated to 1 / 3 of the total volume of the filtrate, and ethanol is added Extract for 22 hours, recover ethanol under reduced pressure, then add acetone, extract for 12 hours, recover acetone under reduced pressure, and boil the remaining liquid into paste to obtain cow dung extract.
...
Embodiment 3
[0043] A preparation method of pig feed containing cow dung, is characterized in that, comprises the following steps:
[0044] (1) Cow dung pretreatment: collect natural air-dried cow dung until the water content is 58%, concentrate drying until the water content is 8%, add water three times the total mass of cow dung, add 13% of the total mass of cow dung Disinfectant, keep boiling for 140min, add deodorant when cooling to 55°C, stir for 15min, add biological activated carbon, stir for 3min, filter.
[0045] (2) Cow dung fine treatment: the filter residue filtered in step (1) is dried until the water content is 12%, to obtain cow dung dry powder, and the filtered filtrate is concentrated to 1 / 3 of the total volume of the filtrate, and ethanol is added Extract for 20 hours, recover ethanol under reduced pressure, then add acetone, extract for 10 hours, recover acetone under reduced pressure, boil the remaining liquid into paste, and obtain cow dung extract.
[0046] (3) Feed ...
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