Broussonetia papyrifera antibiotic-free silage for pregnant black pigs and preparation method of broussonetia papyrifera antibiotic-free silage

Abstract

The invention discloses broussonetia papyrifera antibiotic-free silage for pregnant black pigs. The broussonetia papyrifera antibiotic-free silage for pregnant black pigs is prepared from the following raw materials in parts by weight: 20-50 parts of fresh broussonetia papyrifera leaves, 10-15 parts of cassava dregs, 10-15 parts of soya bean meal, 2-5 parts of corn flour or rice bran or millet bran, 1-5 parts of passion fruit peels, 1-5 parts of crop leftovers, 0.5-2 parts of an enzyme preparation, 3-7 parts of sugars, 0.1-1 part of activated carbon powder, 0.01-0.1 part of microelements and 2-5 parts of probiotics. The invention further provides a preparation method of the broussonetia papyrifera antibiotic-free silage for the pregnant black pigs. By the fermented broussonetia papyriferaantibiotic-free silage, coarse fibers, hydrolyzed crude protein and total flavonoids are degraded, the content of polypeptide and the content of free amino acid are increased, the broussonetia papyrifera antibiotic-free silage is sour and fragrant, is easily absorbed by the pregnant pigs, and is good in palatability, by the silage, the function of the digestive system of the pregnant pigs can be improved, the implantation rate of fertilized eggs can be increased obviously, the litter size can also be increased obviously, the milk yield is increased, the immunity and disease resistance of the pregnant pigs are improved, health of suckling pigs is promoted, and growth of the suckling pigs is accelerated.

Description

technical field [0001] The invention relates to the technical field of feed, in particular to a hybrid mulberry-tree antibiotic-free silage for pregnant black soil pigs and a preparation method thereof. Background technique [0002] With the development of modern animal husbandry and the expansion of market demand, in the face of the current situation of the import of crude protein feed raw materials in my country and the development situation of animal husbandry, in view of the huge demand for human and livestock competition for food, feed shortage contradictions and food safety, the hybrid tree was approved by the State Council The background of the Poverty Alleviation and Development Leading Group Office being included in the "National Top Ten Targeted Poverty Alleviation Projects" is to closely combine scientific and technological innovation with targeted poverty alleviation, promote the development of animal husbandry in poverty-stricken areas, and drive farmers out of po...

AI Technical Summary

Problems solved by technology

(2) Overnutrition of the feed, lack of exercise in sows in large-scale breeding sites: in addition, when sows are fed a large amount of high-energy and high-protein feed during farrowing, this will lead to fat infiltration in the ovaries of sows, and fatty degeneration of follicular epithelium. Atrophy of follicles causes anoestrus or delayed estrus in sows

(3) Long-term feeding of full-price feed for fattening pigs can cause endocrine disorders in sows, without estrus or delayed estrus

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