Journal of Animal and Veterinary Advances

Year: 2010
Volume: 9
Issue: 17
Page No. 2295 - 2304

Phytogenics as New Class of Feed Additive in Poultry Industry

Authors : S.R. Hashemi and H. Davoodi

Abstract: The aim of this study summarizes the experimental knowledge on efficacy, possible modes of activity and aspects of application of phytogenic products as feed additives for poultry. Feed additives are a group of feed ingredients that can cause a desired animal response in a non-nutrient role such as pH shift, growth or metabolic modifier. Many substances found in nature have a wide range of growth promoting, immunostimulatory or antimicrobial activity. Common feed additives used in poultry diets include antimicrobials, antioxidants, pH control agents and enzymes. Phytogenic are a relatively young class of feed additives and in recent years this feed additives have gained considerable attention in the feed industry. They are a wide variety of herbs, spices and products derived thereof and are mainly essential oils. Although, numerous reports have demonstrated antioxidative and antimicrobial and immune stimulation efficacy in vitro, respective experimental in vivo evidence is still quite limited. A limited number of experimental comparisons of phytogenic feed additives with antibiotics and acidifiers have suggested similar effects on the gut. Gut microflora has significant effects on host nutrition, health and growth performance by interacting with nutrient utilization and the development of gut system of the host. In addition, some phytogenic compounds seem to promote intestinal mucus production. However, a systematic approach toward the efficacy and safety of phytogenic compounds used as feed additives for poultry is still lacking.

How to cite this article:

S.R. Hashemi and H. Davoodi, 2010. Phytogenics as New Class of Feed Additive in Poultry Industry. Journal of Animal and Veterinary Advances, 9: 2295-2304.

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