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Application of herbs and natural medicines have shown to have no negative side effects, with high effectiveness to improve productivity. Usage of medicinal plants can increase gut function, improve hepatic function, inhibition of prooxidant enzymes, enhance antioxidant content, improve shelf life, enhance sensorial value, better nutritive value, improve both health and consumers preference, enhance calcium and other minerals, increase vitamin B and folate, and enhance immunity. The most important medicinal plants with antiparasitic activities are green tea, guar bean, pine bark, grape seed, barberry root bark, Rangoon creeper, olive tree, and wormwood. Some other important medicinal plants in poultry industry are black pepper, nettle, shrubby sophora, Aleppo oak, garlic, red cedar, ginger, mint, tobacco, turmeric, aloe vera, etc. The application of herbal medicines can be considered as an important alternative to treating parasitic infections. In organic broiler production with application of medicinal plants, decreasing hormones, growth promoters and antibiotics should be considered as well as paying more attention to selection of appropriate organic feed management with considering higher production. This article aims to survey on the importance of application of natural products and medicinal plants in poultry industry by considering secondary metabolites such as triterpenoids, coumarins, alkaloids, tannins, and flavonoids due to their anti-inflammatory, antiparasitic, antimicrobial, antioxidant, and astringent properties. |
