Effect of carbon dioxide on broiler chicken performance.


Broiler chickens were exposed to 3,000, 6,000 and 12,000 ppm of CO2 for the 4-week brooding period, and their performance was compared to that of controls brooded where the CO2 level did not exceed 1,000 ppm. Exposure to 3,000 and 6,000 ppm did not significantly affect body weights at 4 or 7 weeks, but exposure to 12,000 ppm of CO2 depressed body weight at… (More)


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