Effect of various monochromatic light-emitting diode colours on the behaviour and welfare of broiler chickens
| Autor: | Kyeong Seon Ryu, Shabiha Sultana, Md. Rakibul Hassan, Byung Soo Kim |
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| Rok vydání: | 2020 |
| Předmět: |
0303 health sciences
Materials science business.industry 0402 animal and dairy science Broiler 04 agricultural and veterinary sciences 040201 dairy & animal science law.invention 03 medical and health sciences Food Animals law Optoelectronics Animal Science and Zoology Monochromatic color business 030304 developmental biology Diode Light-emitting diode |
| Zdroj: | Canadian Journal of Animal Science. 100:615-623 |
| ISSN: | 1918-1825 0008-3984 |
| DOI: | 10.1139/cjas-2018-0242 |
| Popis: | This study was conducted to evaluate the effect of different monochromatic light-emitting diode colours on the behaviour and welfare of broiler chicks. A total of 750 one-day-old chicks were used and lighting was set up as follows: pure blue (PB, 440–450 nm), bright blue (460–470 nm), sky blue (480–490 nm), greenish blue (500–510 nm), and green (530–540), while fluorescent white (400–700 nm) was used as a control. Birds were placed into 30 independent light proof pens and each light treatment was replicated five times with 25 birds in each pen. Video was recorded and behaviour was evaluated twice per day and observed five consecutive days in a week. Broiler welfare was evaluated using the characteristics of gait score, tibia dyschondroplasia, tonic immobility duration, and heterophil:lymphocyte ratio. In results, sitting, walking, and ground pecking behaviour were influenced by the light colour from 0 to 7 d. Extending the rearing period from 8 to 21 d resulted in increased sitting behaviour and decreased walking and pecking behaviour in chicks in the PB treatment (P |
| Databáze: | OpenAIRE |
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