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Effect of High-Level Formaldehyde Fumigation on Bacterial Populations on the Surface of Chicken Hatching Eggs
J. E. Williams
Vol. 14, No. 2 (May, 1970), pp. 386-392
Published by: American Association of Avian Pathologists
Stable URL: http://www.jstor.org/stable/1588482
Page Count: 7
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Brown- and white-shell chicken hatching eggs were given formaldehyde (HCHO) preincubation fumigation for 20 minutes with the recommended concentration of 1.2 ml of formalin added to 0.6 g of potassium permanganate per cu ft, and fumigant levels up to 5 times this amount. All fumigant levels destroyed the bacteria on the egg surface almost equally. Incubation for 48 hours at 37 C indicated as many as 99.85% of the bacteria killed on fumigated eggs. More bacteria were killed on brown-shell than on white-shell eggs. These findings confirm the efficacy of early on-the-farm preincubation fumigation of hatching eggs as a routine practice in a sound egg sanitation program.
Avian Diseases © 1970 American Association of Avian Pathologists