Abstract
SELTZER (1956) patented a method for controlling the sex of chicks by dipping hatching eggs in solutions of sex hormones. A procedure similar to Seltzer’s has been employed by Glick and Sadler (1961) and Glick (1961, 1962, 1963a) to introduce testosterone propionate (TP) into fertile eggs. These workers reported a significantly smaller bursa of Fabricius or no bursa in birds hatched from eggs dipped in 0.67 to 3.0 percent solutions of TP. The immunological competence of birds hatched from the TP dipped eggs was markedly reduced or eliminated.The primary purpose of this paper is to report the quantitative changes occurring in the weight of the bursa of Fabricius and antibody response in birds hatched from eggs dipped in varying levels of TP. PROCEDUREEggs were removed from the incubator on the third day of incubation. One and one-quarter inches of the small end of the egg was immersed in…
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