Antiviral composition for poultry, freeze-dried powder, preparation method and application

Abstract

The invention discloses an antiviral composition for poultry, freeze-dried powder, a preparation method and application, and belongs to the technical field of feed additives for livestock and poultry. The antiviral composition for poultry is mainly composed of the following components in parts by weight: 90-100 parts of anti-viral yolk antibody for poultry, 1-2 parts of anti-viral transfer factor for poultry, and 1-2 parts of α-interferon; preferably It also includes the following components in parts by weight: 5-10 parts of astragalus polysaccharide, 5-10 parts of angelica polysaccharide, 10-20 parts of wolfberry polysaccharide, and 10-30 parts of licorice polysaccharide. In the present invention, antiviral egg yolk antibody for poultry, antiviral transfer factor for poultry, α-interferon and traditional Chinese medicine extracts astragalus polysaccharide, angelica polysaccharide, wolfberry polysaccharide and licorice polysaccharide are compounded, which can effectively improve the immunity and disease resistance of poultry bodies Ability to prevent and control poultry viral diseases. After being prepared into freeze-dried powder, it can be stored at room temperature for a long time, and has high antibody titer and good biological activity.

Description

technical field [0001] The invention specifically relates to an antiviral composition for poultry, and also relates to an antiviral freeze-dried powder for poultry, a preparation method and application of the freeze-dried powder, and belongs to the technical field of feed additives for poultry. Background technique [0002] With the development of society and the improvement of people's living standards, more and more people begin to pay attention to food safety issues. In my country, the scale of the chicken industry is expanding day by day. However, due to the limitation of feeding conditions, the spread of poultry diseases is more common. Viral diseases are the most common in poultry farming, mainly including Newcastle disease (NDV), chicken infectious bronchitis, chicken infectious bursal disease, avian influenza, chicken infectious laryngotracheitis, chicken viral arthritis, chicken Egg Drop Syndrome etc. [0003] At present, the prevention and treatment of chicken v...

AI Technical Summary

Problems solved by technology

Among them, the widespread use of western medicine has brought great safety hazards to chicken products, and drug residues have become the main factor affecting the safety of chicken

Vaccination and immunization have a better effect in the early stage, but multiple vaccinations are required, the operation is troublesome, the cost is high, and it is easy to cause stress response in chicks, and the vaccine has strict requirements for storage conditions, which need to be refrigerated at 2-8°C and room temperature. It will lose its effect after a while

Although Chinese herbal feed additives are one of the current research directions, there are many types of Chinese herbal medicines, and the effects of the same medicinal materials on different poultry diseases are quite different, and the immunity of Chinese herbal medicines to diseases is extremely limited, so its application also has certain limitations. sex

Injection of egg yolk antibody is also a relatively common method, but the immune effect of a single injection of egg yolk antibody sometimes cannot meet the actual needs

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