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SUMMARY
Light is the most critical factor in the poultry environment due to avian spectral sensitivity which greatly differs from that of humans. The review on the reproductive and production responses of poultry birds to LED reveals a paucity of information on ducks, geese and quails. Limited studies exist on the effect of LED on Guinea fowl, turkeys and breeder birds. Reproduction in poultry birds appears to be more influenced by wavelength rather than other LED characteristics. Poultry birds are critically sensitive to wavelength. Red LED improves sperm quality in roosters and egg production in laying hens and quails without a significant impact on egg qualities while blue LED also appears to favour production in ducks. Studies are needed on how best shorter wavelength (ultraviolet light) can be maximised in poultry. Further research should focus more on making the scientific information available on the impact of LED on Guinea fowl, turkeys and breeder birds.
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No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
O. M Oso
O. M Oso is an animal scientist with a background in animal production and health. She is twice a world bank scholar who had her masters in livestock science and sustainable environment at the World bank Centre of Excellence in Agricultural Development and Sustainable Environment, Federal University of Agriculture, Abeokuta, Nigeria, before proceeding for her PhD on full scholarship at the World bank Centre of Excellence in Poultry Science, University of Lome. Togo. Her research interest focus on animal-environment interactions with special interest in animal behaviour and welfare.
K. Metowogo
Metowogo K. is a professor of animal physiology with specialty in evaluation of volarisation of medicinal plants for treatment of animal diseases. Being vast in animal physiology, he also explores environmental influence on physiology of poultry birds. He is currently a lecturer and head of department of animal physiology at the university of Lomé, Togo and also affiliated to the Centre of Excellence in Poultry Science (CERSA), Togo. He has publications in reputable journals with outstanding track record in his chosen field.
O. E Oke
O. E Oke is an environmental and nutritional physiologist who bagged a PhD in animal physiology at the Federal University of Agriculture, Abeokuta, Nigeria in 2012. Before this, he had his Msc and B. Agric in year 2010 and 2006 respectively. He also had a prestigious post-doctoral fellowship at the World Bank Centre of Excellence in Poultry Science, University of Lomé in 2019. He also won a DAAD scholarship for experienced researchers in Africa. He has published over 70 publications in reputable local and international journals. At the moment, he is a senior lecturer at the department of animal physiology, Federal University of Agriculture, Abeokuta, Nigeria. He is a reviewer for several local and international journals.
K. Tona
K. Tona started his research career after completing his MSC in Tropical Animal Production and a PhD in Applied Biological Sciences. Professor Tona has gone through the ranks at the university of Lome, and became a full professor in 2015. Having played a pivotal role in securing a World bank grant for the establishment of the Regional Centre of Excellence in Avian Sciences (CERSA) at the university of Lome, Professor Tona became the director of the centre which has made a tremendous impact in the region. His research has focused on the following: avian physiology; technical knowledge of hatchery management and day-old chick production on industrial scale; improvement of poultry production through adapted management practices in Sub-Saharan Africa. Some of his outstanding accomplishment in the field include development of Tona-scoring system for evaluating day-old chick quality. He has successfully supervised numerous undergraduate, Masters, PhD and Postdoctoral students. He established the Togo world poultry science association (WPSA) branch in 2007 and recently won the 2022 WPSA educational award.