Abstract

Conclusions1. White Leghorn laying hens injected subcutaneously with aqueous adrenal cortical extract, showed leucopenia, absolute and relative lymphopenia and absolute and relative increase in granulocytes attributable mainly to heterophils. The effects were maximal at 3 hours and the blood picture returned to normal by the end of 24 hours.2. New Hampshire Red non-laying pullets injected with ACE displayed similar changes with the exception of leucopenia which was masked by increase in polymorphonuclear cells.3. ACE therapy produced no statistically significant increase in total serum protein or serum globulin levels. However, a trend toward increase in total serum protein, accompanied by lymphopenia, is indicated for the majority of the individual birds studied.

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