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1 April 2004 Effect of BioSentry 904 and Ethylenediaminetetraacetic Acid-Tris Disinfecting During Incubation of Chicken Eggs on Microbial Levels and Productivity of Poultry
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Abstract

Proper sanitation practices and the use of efficacious disinfectants in a hatchery have an effect on chick quality. Aerosol bacterial counts, egg moisture loss, hatchability, chick quality, and broiler productivity were evaluated when egg surfaces were contaminated by immersion of each egg into a broth medium containing a field isolate of Pseudomonas aeruginosa and incubated with exposure to one of three disinfectant treatments administered by fine spray: distilled water, BioSentry 904 (904), and a 1:1 ratio of 904 and ethylenediaminetetraacetic acid (EDTA)-Tris. The aerosol bacteria levels were statistically greater on day 21 of incubation in the group treated with distilled water than in those receiving disinfectants. Overall hatch of fertile eggs and egg moisture loss were comparable among all three treatments. At 1 day of age, the chicks incubated with 904 had a statistically lower yolk sac contamination rate than those incubated with 904 EDTA-Tris or distilled water. The 2-wk mortality rates, body weights, feed conversion ratios, yolk sac weights, and yolk sac contamination rates were all similar among the three treatments.

S. E. Walker and J. E. Sander "Effect of BioSentry 904 and Ethylenediaminetetraacetic Acid-Tris Disinfecting During Incubation of Chicken Eggs on Microbial Levels and Productivity of Poultry," Avian Diseases 48(2), 238-243, (1 April 2004). https://doi.org/10.1637/7049
Received: 24 March 2003; Published: 1 April 2004
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