Effect of thymic extract on blastogenic responses of chickens
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1Department of Avian Medicine, College of Veterinary Medicine, University of Georgia, Athens 30602-4875.
Chickens were treated intracoelomically with extracts of chicken thymus (TE) and bursa of Fabricius (BE), the former known to be enriched with avian thymic hormone. Doses of 1.0 mg TE enhanced blastogenic responses of peripheral blood lymphocytes to phytohemagglutinin (PHA) and concanavalin A for at least 3 wk after cessation of treatment. Very high doses of BE (5.0 mg) also enhanced blastogenic responses to PHA.
Chickens were treated intracoelomically with extracts of chicken thymus (TE) and bursa of Fabricius (BE), the former known to be enriched with avian thymic hormone. Doses of 1.0 mg TE enhanced blastogenic responses of peripheral blood lymphocytes to phytohemagglutinin (PHA) and concanavalin A for at least 3 wk after cessation of treatment. Very high doses of BE (5.0 mg) also enhanced blastogenic responses to PHA.