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Network Biology, 2020, 10(1): 24-31
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Article

Investigation of possible synergistic effect of using formic acid and plant essential oil in broiler chicks drinking water on performance and gut microflora

Reza Taherkhani1, Omid Parvizi2, Mehran Aboozari3
1Department of Animal Sciences, Faculty of Agriculture, Payame Noor University, Tehran, Iran
2Department of Animal Sciences, Islamic Azad University Karaj Branch, Karaj, Iran
3Department of Animal Sciences, Islamic Azad University Abhar Branch, Abhar, Iran

Received 14 August 2019;Accepted 25 September 2019;Published 1 March 2020
IAEES

Abstract
The possible synergistic effect of using a combination of formic acid (FA) and plant essential oils (EO) in broiler chick's drinking water was investigated. Performance and gut microflora were assessed from day old to 42 d of age. The experiment was carried out using a completely randomized design with factorial arrangement (2กม3). Factors were included formic acid (0, 1000 and 2000 ppm) and EO (0 and 250 ppm) level which were administered through drinking water. Both FA and EO improved performance criteria but their combination failed to create a synergistic effects. Chicks received FA supplemented water had significantly lower numbers of C. perfringens and coliforms. Administration of EO also significantly lowered numbers of gut pathogenic bacteria (C. perfringens and coliforms) while did not affect lactobacilli population. Results obtained in our study suggest a synergistic effect of using FA and EO simultaneously only in reducing gut pathogenic bacteria.

Keywords formic acid;plant essential oil;gut microflora;broiler.


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