Responses of broiler chickens to high‐frequency and low‐frequency fluorescent light
- 1 September 1992
- journal article
- research article
- Published by Taylor & Francis in British Poultry Science
- Vol. 33 (4) , 711-717
- https://doi.org/10.1080/00071669208417511
Abstract
1. The influence of the flicker frequency on physical activity and energy expenditure of broilers was studied using commercially available high‐frequency (HF) and low‐frequency (LF) fluorescent lamps in a 23L:1D lighting schedule. 2. Broilers were reared under and adapted to HF. They were alternately subjected to HF and LF during measurement of activity and energy expenditure. 3. In comparison with HF, LF inhibited activity (number and intensity of movements), but did not influence energy expenditure. 4. It was concluded that the 100 Hz flickering of low‐frequency light is detected by broilers and has measurable behavioural effects upon them. 5. The results were discussed in relation to current knowledge of human and birds’ critical flicker frequency and perception.Keywords
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