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United States Department of Agriculture

Agricultural Research Service

Title: Study of Adrenocorticotropic Hormone-Induced Stress on Subgroup J Avian Leukosis Virus Viremia and Antibody in Adult Meat-Type Chickens Previously Exposed to Virus at Hatch and 32 Weeks of Age

item Pandiri, Arun - MICHIGAN STATE UNIV
item Reed, Willie - MICHIGAN STATE UNIV
item Fadly, Aly

Submitted to: American Veterinary Medical Association Abstract
Publication Type: Abstract Only
Publication Acceptance Date: July 28, 2004
Publication Date: July 28, 2004
Citation: Pandiri, A.R., Reed, W.M., Fadly, A.M. 2004. Study of adrenocorticotropic hormone-induced stress on subgroup J Avian Leukosis virus viremia and antibody in adult meat-type chickens previously exposed to virus at hatch and 32 weeks of age [abstract]. American Veterinary Medical Association. p. 57.

Technical Abstract: The effect of physiological stress induced by Adrenocorticotropic hormone (ACTH) on Subgroup J Avian Leukosis Virus (ALV-J) shedding and viremia in adult meat-type chickens was studied. Twelve ALV-J seroconverted (V- A+) 50-week-old meat-type chickens exposed at hatch and eight hatchmates negative for antibody and viremia (V-A-) contact-exposed at 32 weeks of age, were treated for 14 days with porcine-ACTH using AlzetĀ® osmotic pumps at 12 IU/Kg BW/day. At days 3, 7, 10 and 14 after insertion of the osmotic pumps, chickens were tested for ALV-J-induced viremia, shedding and antibody. Results suggest that treatment with ACTH did not influence ALV-J viremia, shedding and antibody status in chickens previously contact-exposed to virus at 32 weeks of age. The data also show that 17% of seroconverted chickens became viremic following treatment with ACTH, suggesting that stress may cause antibody-positive chickens previously exposed to ALV-J at hatch to become viremic.

Last Modified: 4/22/2015
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