Phytobiotics as an alternative to antibiotic growth promoter for food animals

Sanjeev Kumar, TK Dutta, P Roychoudhury, Fatema Akter and PK Subudhi
Contd from previous issue
Phytobiotic prevents oxidative damage by donating hydrogen or an electron to free radicals and delocalization of the unpaired electron within the aromatic structure (Fernandez-Panchon et al., 2008). Some essential oils have anti inflammatory activities, for example, chamomile essential oil has been used traditionally for centuries as a drug in eczema, dermatitis and other pronounced irritations (Kamatou and Viljoen, 2010). Other essential oils (eucalyptus, rosemary, lavender, millefolia) from few plants (pine, clove and myrrh) have been used in mixed formulations as anti inflammatory agents (Darsham and Doreswamug, 2004). Rosmarinic acid, oleanolic acid and ursolic acid are the major nonvolatile secondary metabolites found in Origanum spp. with strong antiinflammatory properties (Shen et al., 2010).
6. Growth stimulation
Mohammadi et al. (2015) reported that addition of herbal products to diets has growth promoting effect on poultry and swine. The pigs fed with the diets supplemented with phytobiotics have shown that weight gain and digestibility of dry matter and crude protein were improved by 10.3, 2.9 and 5.9%, respectively (Li et al., 2012) due to improved nutrients digestibility, better average daily gain (ADG) and improved feed conversion ratio (FCR) (Yan et al, 2010).
Use of antibiotics in animal diets to meet the increasing demand of animal protein has been a common practise in livestock farming. A recent study estimating global antibiotic use in poultry, swine and cattle in 2010 indicates that India accounts for 3% of global consumption and is among the top consumers worldwide besides China, USA, Brazil and Germany. It is estimated that the use of antibiotics in animal husbandry will increase by 82% in India by 2030. This rise in use of antibiotics in livestock farming will be a hurdle in the efforts used to tackle the menace of AMR in the society. However, the use of phytobiotics provides an alternative that can help to tackle the problem of developing AMR associated with livestock and animal based food products. The available literatures provided an indication and justification that phytobiotics may have the potential to increase the production performance and productivity of the food animals in a similar way as AGPs in near future. More research efforts should be on table to develop and marketing the non-antibiotic animal growth promoter to maintain the sustainability of animal husbandry and to meet the ever increasing demand of animal proteins.
Sanjeev Kumar, T. K. Dutta*, P. Roychoudhury, Fatema Akter and P. K. Subudhi Department of Veterinary Microbiology,CVSc&AH, CAU, Selesih, Aizawl, Mizoram
Phone No. 9862335294
*Email: [email protected]
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