A large amount of data shows that plant extracts are regarded as the preferred alternative to antibiotics because of their safety, efficiency, stability and controllability. It is of great significance to promote the safety of feed and animal products, protect the health of consumers, and comprehensively promote the sustainable and healthy development of the feed industry.
Plant extract overview
Modern typical plant feed additives are mainly made up of plant extracts from one or more sources. Some plants have been used as human food or as a component of human food, such as rosemary, thyme, oregano, yucca, Garlic, various citrus, fenugreek and anise, plant estrogens, plant polysaccharides and other plant extracts. The plant extract additive has antibacterial and bactericidal function, and is effective against pathogenic bacteria causing inflammation, infection, sputum and coccidia; and has strong killing effect on those bacteria which have developed resistance to antibiotic growth promoting agents, thereby effectively ensuring animals. Intestinal health, prevention and control of animal squats, improve animal performance.
Application of plant extracts in pig breeding
Chinese medicine plant extracts
More than 100 kinds of medicinal plants are known as feed additives, such as garlic, pepper, wormwood, pine needles, ginger, cinnamon, pepper, pepper, Litsea cubeb, Andrographis paniculata, Radix, licorice, Atractylodes, Ophiopogon japonicus, Agrimony Wait. The Chinese herbal medicine feed additive contains a variety of nutrients and biologically active substances, and has both functions of nutrition and medicine, and has the advantages of simplicity, low cost, versatility, no toxic side effects, and no drug resistance. Studies have shown that in the antibacterial aspect, the extracts of garlic, valerian/oregano and mustard have strong antibacterial ability. The natural extract of valerian/oregano (OEO) has good antioxidant capacity and immune regulation function, strong antibacterial property, stable nature and easy to use. It can effectively control piglet diarrhea, reduce mortality, significantly promote growth and improve feed. Conversion rate. Tian Yunbo added Chinese herbal medicines such as Astragalus, Radix Paeoniae Alba, Radix Paeoniae Alba, Radix Paeoniae Alba, Acacia, Rhizoma, Poria, Prawn, Rhubarb, Bupleurum, etc. to the growing pig diet, and found that it can effectively improve the performance of the test pigs, while serum The changes in biochemical indicators and growth-promoting hormones were also consistent with the production performance, confirming that its growth-promoting effect was achieved by affecting the endocrine activity of pigs. The results of the slaughter test found that the addition of natural plant herbal extracts significantly increased carcass leanness, reduced carcass fat percentage and backfat thickness, significantly increased muscle fat content, and increased meat tenderness, juicyness and aroma.
Plant estrogen
Daidzein with weak estrogen-like activity can significantly increase the weight gain and feed utilization efficiency of male animals. Increases blood testosterone, D-endorphin, growth hormone, insulin-like growth factor-I, triiodothyronine, thyroxine, and insulin levels, but lowers blood urea nitrogen and cholesterol concentrations, thereby promoting muscle protein Deposition, accelerate muscle growth and development. Because daidzein can bind to different degrees of E2 receptors such as hypothalamus and pituitary, affecting the axis and growth axis of animal neuroendocrine system, promoting the development of animal mammary gland and affecting endocrine activities, it is widely used in lactating livestock. Promoting mammalian mammary gland development and related endocrine activities, affecting the body's metabolic activities and milk components show good results.
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