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Title:   Author  item
                                            DING, XICHENG - USDA,ARS,ANRI,APDLitem
                                            Lillehoj, Hyunitem
                                            QUEROZ, MARCO - AVITECH HEBRON MDitem
                                            BEVENSEE, ERICH - AVITECH HEBRON MD
  Submitted to: American Veterinary Medical Association Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 3/30/2004
                                    Publication  Date: N/A
                                    Citation: N/AInterpretive Summary:
                                Technical Abstract: Eighteen-day-old SPF embryos were injected with a naked DNA which encodes an immunogenic coccidia protein using the Intelliject, an in ovo injector.  Eimeria-antigen specific serum antibodies were detected after hatch. At 14 days post hatch, in ovo-vaccinated chickens were challenged with live Eimeria oocysts, and their fecal oocyst count and body weights were compared to those of untreated control group.  In ovo-vaccinated chickens showed significantly lower fecal oocyst counts and improved body weight gains compared to the untreated chickens. These studies show promising results on using in ovo vaccination strategy to elicit protective intestinal immune response against coccidiosis.


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