Assessment of Lippia origanoides Essential Oils in a Salmonella typhimurium, Eimeria maxima, and Clostridium perfringens Challenge Model to Induce Necrotic Enteritis in Broiler Chickens - PubMed (original) (raw)

. 2021 Apr 13;11(4):1111.

doi: 10.3390/ani11041111.

Aaron J Forga 1, Roberto Señas-Cuesta 1, Brittany D Graham 1, Callie M Selby 1, Álvaro J Uribe 2, Blanca C Martínez 2, Jaime A Angel-Isaza 2, Christine N Vuong 1, Xochitl Hernandez-Velasco 3, Billy M Hargis 1, Guillermo Tellez-Isaias 1

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Assessment of Lippia origanoides Essential Oils in a Salmonella typhimurium, Eimeria maxima, and Clostridium perfringens Challenge Model to Induce Necrotic Enteritis in Broiler Chickens

Makenly E Coles et al. Animals (Basel). 2021.

Abstract

The objective of the present research was to evaluate dietary supplementation of essential oils from Lippia origanoides (LEO) on necrotic enteritis (NE). Chickens were randomly assigned to three groups. Group 1: negative control; Group 2: positive control challenged with Salmonella typhimurium (day 1), Eimeria maxima (day 18), and C. perfringens (CP, days 22-23); Group 3: dietary supplementation LEO and challenged. On d 25 of age, serum samples were collected to evaluate fluorescein isothiocyanate-dextran (FITC-d), superoxide dismutase (SOD), gamma interferon (IFN-γ), Immunoglobulin A (IgA). Group 3 showed a significant reduction of the harmful effects of induced infection/dysbiosis and a significant reduction in NE lesion scores, morbidity and mortality compared with the positive challenge control group (p < 0.05) compared with Group 2. Digested feed supernatant, supplemented with LEO and inoculated with CP, reduced CP burden (p < 0.05). Group 3 also exhibited a significant reduction in FITC-d, IFN-γ and IgA compared with Group 2. However, a significant increase SOD was observed in Group 3 compared with both control groups. Further investigation to compare the effect of LEO and the standard treatment of clostridial NE is required.

Keywords: broiler chickens; essential oils; intestinal permeability; necrotic enteritis; performance.

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Conflict of interest statement

Uribe Á.J., Martínez B.C., and Angel-Isaza J.A. are employed by Promitec S.A. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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