Abstract
IN 1957 and 1958, several poultrymen in the Southeast encountered a decrease in egg production and egg size which was traced to the use of oats which had been fumigated with a commercial fumigant containing ethylene dibromide.22Believed to be Dowfume EB5®, containing ethylene dibromide 7.2%, ethylene dichloride 29.2%, and carbon tetrachloride 63.6%. This condition was described by Olomucki and Bondi (1955), and by Bondi et al. (1955), who showed that feeding grain sorghum containing as little as 10–15 ppm. of ethylene dibromide to hens as 50% of the diet for 10–12 weeks caused a significant reduction of egg size. Caylor and Laurent (1960) demonstrated a reduction in egg size by feeding oats containing a similar amount of ethylene dibromide. Bierer and Vickers (1959) also obtained a reduction in egg size and numbers by feeding oats treated with high levels of ethylene dibromide.In 1959 a cooperative project with the U.S.D.A. was initiated at the University of Georgia to study the effects of ethylene …
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