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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2011 > Volume 10 Number 5 > Emanuel Cejas, Silvina Pinto, Florencia Prosdócimo, Mariano Batallé, Hebe Barrios, Guillermo Tellez and Mauricio De Franceschi

Evaluation of Quebracho Red Wood (Schinopsis lorentzii) Polyphenolic Vegetable Extract for the Reduction of Coccidiosis in Broiler Chicks

Emanuel Cejas, Silvina Pinto, Florencia Prosdócimo, Mariano Batallé, Hebe Barrios, Guillermo Tellez and Mauricio De Franceschi
Hebe Barrios , Guillermo Tellez and Mauricio De Franceschi 1 3 1 Universidad Nacional de Luján 1 Facultad de Ciencias Veterinarias (UBA), Argentina 2 Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
Abstract :

The effects of a commercially available Polyphenolic Vegetable Extract (PVE) from Schinopsis lorentzii (Bioquina®) for the reduction of coccidiosis in broiler chicks was evaluated. Day-of-hatch male broiler chicks were obtained from a local hatchery and randomly assigned to three experimental groups consisting of 8 chickens per group with four replicates per treatment: Group 1, PVE 10% - challenged; Group 2, untreated - challenged and Group 3, -untreated, non-challenged. Heated brooder batteries were used for housing and chicks were allowed ad libitum access to unmedicated broiler rations and water for the duration of the experiment. On day 21 post-hatch, all birds in groups 1 and 2 were challenged by oral gavage with 3 mL of a mixed suspension of freshly sporulated oocysts of Eimeria tenella (50,000 oocyst/mL), E. maxima (50,000 oocyst/mL) and E. avervulina (50,000 oocyst/mL). Group 3 was sham inoculated with 3 mL of PBS. Body weight gain was obtained seven days after coccidia challenge. Oocyst sheeding was performed at 5, 7 and 10 days PI. Intestinal macroscopic lesions and histological morphometric analysis was performed 7 days PI. No significant differences were observed in terms of total mortality or lesion scores. Supplementation of PVE significantly increased body weight gain, crypt:villi ratio and decreased oocyst excretion (p<0.05), suggesting that PVE may have an impact against a mixed subclinical Eimeria challenge. Further studies on the potential value of this product as a therapeutic or prophylactic anticoccidial agent are currently being evaluated.

Keywords :
Chickens, Schinopsis lorentzii , polyphenolic vegetable extract, coccidiosis

Date Deposited : 18 Feb 2015 10:08

Last Modified : 18 Feb 2015 10:08

Official URL: http://www.pjbs.org

Volume 10, Number 5, - 2011 , ISSN 1682-8356

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