12 results about "Weaned piglets" patented technology

This invention belongs to the technical field of livestock breeding equipment and discloses an intelligent feeding system and method for early-weaned piglets. The system includes: a feed silo unit for storing and automatically conveying milk replacer powder; a milk mixing station unit connected to the feed silo unit for receiving the powder and automatically mixing it with water at a controllable temperature to form liquid milk; a conveying pipeline unit connected to the outlet of the milk mixing station unit for conveying milk, the conveying pipeline unit including a circulation pipeline and a milk return control valve; and at least one end-feeding unit that supplies milk to the piglets through the conveying pipeline unit. The milk mixing station unit can circulate the milk at regular intervals through the circulation pipeline and the milk return control valve. This invention provides an intelligent feeding system and method for early-weaned piglets, which achieves automated feeding, greatly reducing manual labor; at the same time, it ensures controllable milk-to-water ratio and temperature during feeding, thereby improving the survival rate, health, and growth rate of piglets.

The application discloses application of bile acids in weaning piglet feeding and relates to the field of piglet breeding, and aims to solve the problem that different types of bile acids have unclear effects on piglets in the prior art. The technical scheme is that optimal bile acids corresponding to different purposes are provided in the growth process of piglets. By selecting optimal bile acids for different biological sign improvement targets, the use of different types of bile acids is more clear, and the growth of piglets is more controllable.

The present application relates to the technical field of feed, in particular to a functional protein feed produced by using enzymatic decoupling fermentation process to treat the meal and a preparation method thereof. The method mixes double-low rapeseed meal, de-phenol cottonseed protein and peanut meal according to a specific ratio, and sieves to obtain coarse phase and fine phase. By adding slow-release type embedded acid protease wet capsules (type B) to the fine phase, adding fast-release type embedded acid protease wet capsules (type A) to the coarse phase, and adopting the process of swelling the fine phase first and then carrying out anaerobic fermentation with the coarse phase, the time sequence and space control release of the protease in the fermentation process are realized. The technology significantly improves the enzymatic hydrolysis efficiency of protein and the degradation effect of anti-nutritional factors, and the final product has high nutritional value and can effectively improve the growth performance of weaned piglets.

The invention discloses the application of liquorice extract in preparing products for improving the growth performance, antioxidant capacity and immune function in weaned piglets, relating to the field of animal feed. The invention adds liquorice extract prepared from liquorice produced in Kazakhstan to the diet and finds that it may improve the growth performance, antioxidant capacity and immune function of piglets. Adding 200 mg / kg-800 mg / kg of liquorice extract to the basic feed may significantly improve the growth performance, antioxidant capacity and immune function of piglets. Selecting 400 mg / kg of liquorice extract as the optimal addition dosage in the basic feed has important practical significance in ensuring the healthy growth of piglets and improving breeding benefits.

This invention discloses a porcine lactobacillus mucosa HEB-FEC-LM-001 and its applications, belonging to the field of feed additive technology. The porcine lactobacillus mucosa HEB-FEC-LM-001 provided by this invention is a Gram-positive bacterium with a milky-white, raised colony appearance, clear edges, and a smooth surface. It was deposited at the China Center for Type Culture Collection on October 21, 2025, with accession number CCTCC NO:M 20252272. A synbiotic is prepared by combining porcine lactobacillus mucosa HEB-FEC-LM-001 with raffinose. When fed as a feed additive to weaned piglets, it can significantly improve the piglets' intestinal health, apparent nutrient digestibility, and immune function, significantly reduce the diarrhea rate, and improve the growth performance of weaned piglets. Therefore, it has broad application prospects as a feed additive for weaned piglets.

The present application provides a kind of piglet feed additive and preparation method thereof, belong to feed additive technical field.The piglet feed additive includes: periplaneta americana drug residue enzymatic hydrolysate, xylo-oligosaccharide, lactoferrin, hawthorn extract, astragalus polysaccharide, corn starch and vitamin C;The preparation method includes: periplaneta americana drug residue enzymatic hydrolysate, hawthorn extract, astragalus polysaccharide, corn starch, vitamin C are added into mixing machine according to weight fraction, stirring speed is controlled, and powder mixture is obtained by mixing;The powder mixture is sieved, and the agglomerate that is not mixed uniformly is removed, to obtain the finished product of piglet feed additive.Piglet feed additive aims to overcome the defects of prior art, realizes drug residue resource utilization, and solves the problems such as diarrhea, growth retardation, low immunity and other problems caused by immature digestive system and weaning stress of weaned piglets.The preparation method is simple and controllable, the product is natural and residue-free, and provides an environmentally friendly, efficient and practical feed additive for the pig industry.

The present disclosure is directed to novel porcine sapoviruses (SaV) isolates, including SaV serially propagated in cell culture, all of which are useful in the preparation of immunogenic compositions and vaccines for treating and preventing disease in swine. The disclosure further provides characterization of pathogenicity and cross-protective immunity of contemporary porcine SaV isolates in weaned pigs, demonstrating that prior exposure to homologous strains provides greater protection against viral shedding than heterologous strains.

This invention belongs to the field of feed additive technology, and particularly relates to a feed additive that reduces antibiotic resistance genes in animal feces, its preparation method, and its application. The feed additive comprises the following components in the indicated mass ratios: rosmarinic acid 10-15%, 5-O-caffeoylshikimic acid 10-15%, Lycopus lucidus flavonoids 8-12%, tea polyphenols 7-10%, DL-α-tocopherol 7-10%, hydroxypropyl-β-cyclodextrin 22-28%, microcapsule wall material 18-22%, EDTA-2Na 0.8-1.2%, and citrate-sodium citrate buffer 1.5-2.2%. This feed additive not only exhibits clear antibacterial activity against Escherichia coli and Salmonella, but also improves the growth performance of weaned piglets, reduces the diarrhea rate in weaned piglets, and decreases the abundance of antibiotic resistance genes in their feces, showing promising application prospects.

The application discloses lactobacillus reuteri ZY18 and application thereof as a feed additive. The lactobacillus reuteri ZY18 is obtained through isolation and screening from the excrement of weaned piglets, and is identified through morphology and molecular biology, and the microbial preservation number of the lactobacillus reuteri ZY18 is CGMCC No. 28938. The lactobacillus reuteri ZY18 has good acid production performance, has tolerance to a simulated gastrointestinal environment, can tolerate an acid or bile salt environment and has bile salt hydrolyase activity, has good safety, has good hydrophobicity and self-aggregation capacity and adhesion capacity. It is proved through experiments that the lactobacillus reuteri ZY18 has the purposes of inhibiting bacteria, promoting animal growth, improving animal intestinal inflammation and damage, improving animal antioxidant capacity and regulating animal intestinal flora, and has application prospects in preparation of feed additives or medicines.

The present application belongs to the technical field of additive, and particularly relates to an additive for preventing weaned piglet diarrhea and a preparation method thereof. In view of the fact that there is no relevant report on using cnidilin as a feed additive for weaned piglets, the present application provides an additive for preventing weaned piglet diarrhea, which comprises, by weight percentage, 0.05-0.08% of cnidilin microcapsules coated with chitosan-sodium alginate, 0.02-0.05% of tannic acid microcapsules coated with chitosan-sodium alginate, 82-88% of a carrier, 0.5-1.0% of a dispersing agent, 0.01-0.03% of an antioxidant, and 13-14% of a stabilizer. The present application also provides a preparation method of the additive and a use of the additive in weaned piglet diarrhea prevention. The additive and the preparation method are simple and easy to obtain, and have a remarkable effect, and a new additive for preventing weaned piglet diarrhea is developed.

The application provides a method for preparing Levan-type fructooligosaccharide, the Levan-type fructooligosaccharide and application thereof, and belongs to the field of animal nutrition and biotechnology. The method comprises the following steps: fermenting Bacillus subtilis BS21 in a fermentation medium containing sucrose; and separating Levan-type fructooligosaccharide from a fermentation product. The Levan-type fructooligosaccharide has a weight average molecular weight Mw of 6-8 kDa, and at least 95% of fructose units contained in the Levan-type fructooligosaccharide are connected through beta-(2,6)-glycosidic bonds. The Levan-type fructooligosaccharide is applied to the preparation of a feed additive for improving animal intestinal health or improving animal growth performance. The application can efficiently prepare the Levan-type fructooligosaccharide with clear structure, the Levan-type fructooligosaccharide has biological activity, can reduce the diarrhea rate of weaned piglets and the feed conversion ratio, and the mechanism is to enrich beneficial bacteria such as lactobacillus johnsonii and clostridium prasaldi in the intestines.