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United States Department of Agriculture

Agricultural Research Service

Title: Influence of Age at Exposure and Maternal Antibody on Subgroup J Avian Leukosis Virus in Meat-Type Chickens

item Fadly, Aly
item Witter, Richard

Submitted to: American Veterinary Medical Association Abstract
Publication Type: Abstract Only
Publication Acceptance Date: July 22, 2000
Publication Date: N/A

Technical Abstract: Subgroup J avian leukosis virus (ALV-J)-induced viremia, antibody and tumors were studied in meat-type chickens exposed to virus by contact or by inoculation at various times after hatch. The incidence of ALV-J infection was significantly higher in chickens contact-exposed to virus at hatch than in those exposed at 2 or 8 weeks of age. Further, maternal antibody reduced incidence of viremia and shedding in chickens exposed to virus at hatch. The data suggest that age at exposure and the presence of maternal antibody may influence incidence of ALV-J-induced viremia and shedding.

Last Modified: 5/5/2015
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