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2006

Agriculture

Stephen F. Austin State University

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Intestinal Microbial Ecology Of Broilers Vaccinated And Challenged With Mixed Eimeria Species, And Supplemented With Essential Oil Blends, E. O. Oviedo Rondon, M. E. Hume, C. Hernandez, S. Clemente-Hernandez Jan 2006

Intestinal Microbial Ecology Of Broilers Vaccinated And Challenged With Mixed Eimeria Species, And Supplemented With Essential Oil Blends, E. O. Oviedo Rondon, M. E. Hume, C. Hernandez, S. Clemente-Hernandez

Faculty Publications

Intestinal microbiota is an important component in the development of defense mechanisms in the gut mucosa. This project determined the dynamics of intestinal microbial communities (MC) of broilers vaccinated at first day of age with live oocysts of Eimeria species and fed diets supplemented with 2 specific essential oil (EO) blends, Crina Poultry (CP) and Crina Alternate (CA). Five treatments were analyzed: 1) unmedicated-uninfected (UU) control; 2) unmedicated-infected (UI) control; 3) vaccinated with Advent cocci-vaccine and without feed additive (COV) supplements; 4) vaccinated with Advent and supplemented with CP; and 5) vaccinated with Advent and supplemented with CA. The EO …


Effects Of Feed Additives And Mixed Eimeria Species Infection On Intestinal Microbial Ecology Of Broilers, M. E. Hume, S. Clemente-Hernandez, E. O. Oviedo Rondon Jan 2006

Effects Of Feed Additives And Mixed Eimeria Species Infection On Intestinal Microbial Ecology Of Broilers, M. E. Hume, S. Clemente-Hernandez, E. O. Oviedo Rondon

Faculty Publications

Evaluation of digestive microbial ecology is necessary to understand effects of growth-promoting feed. In the current study, the dynamics of intestinal microbial communities (MC) were examined in broilers fed diets supplemented with a combination of antibiotic (bacitracin methylene disalicylate) and ionophore (Coban 60), and diets containing 1 of 2 essential oil (EO) blends, Crina Poultry (CP) and Crina Alternate (CA). Five treatments were analyzed: 1) unmedicated uninfected control; 2) unmedicated infected control; 3) feed additives monensin (bacitracin methylene disalicylate) + monensin (Coban 60; AI); 4) EO blend CP; and 5) EO blend CA. Additives were mixed into a basal feed …