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  • Title: Influence of Pediococcus-based probiotic on coccidiosis in broiler chickens.
    Author: Lee SH, Lillehoj HS, Dalloul RA, Park DW, Hong YH, Lin JJ.
    Journal: Poult Sci; 2007 Jan; 86(1):63-6. PubMed ID: 17179417.
    Abstract:
    Coccidiosis is the major parasitic disease of poultry and is caused by the apicomplexan parasites Eimeria. Drugs and live vaccines are the 2 main control measures of the disease; however, due to increasing concerns with prophylactic drug use and the high cost of vaccines, alternative control methods are needed. Recent evidence that various dietary and live microbial supplements can influence host immunity against enteric diseases prompted us to investigate the role of a Pediococcus-based probiotic on coccidiosis in broiler chickens. In the present study, we examined BW gains, oocyst shedding, and antibody responses of broilers fed the commercial probiotic MitoGrow. Day-old chicks were fed either a regular broiler diet or 1 of 2 probiotic diets supplemented with 0.1% (MG 0.1) or 0.2% MitoGrow. Chicks were orally challenged with 5,000 or 10,000 sporulated oocysts of Eimeria acervulina or with 5,000 Eimeria tenella oocysts on d 10 or 12 of age, respectively. In E. acervulina-infected birds, the MG 0.1 group improved (P < 0.05) weight gain as compared with the other 2 groups and reduced (P < 0.05) oocyst shedding in birds infected with 5,000 E. acervulina oocysts. In E. tenella-infected birds, Eimeria-specific antibody levels were higher (P < 0.05) in the Mito-Grow-fed groups, especially in the MG 0.1 birds, compared with the regular diet group, although their oocyst shedding and weight gains were not clearly improved. These results demonstrate that this Pediococcus acidilactici-based probiotic effectively enhances the resistance of birds and partially protects against the negative growth effects associated with coccidiosis, particularly when supplemented at 0.1% MitoGrow of the diet.
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