RESEARCH BEHIND OPTICFLOCK
BROILER CHICKENS
Gebhardt-Henrich, S., Stratmann, A. and Dawkins, M.S. (2021) Groups and individuals: optical flow patterns of broiler chicken flocks are correlated with the behaviour of individual birds. Animals 11(2): 568. https://doi.org/10.3390/ani11020568
Dawkins, M.S., Wang, L., Ellwood, S.A., Roberts, S.J. and Gebhardt-Henrich, S.G. (2021) Optical flow, flock behaviour and broiler chicken welfare in the UK and Switzerland. Applied Animal Behaviour Science 234: article105180. https://doi.org/10.1016/j.applanim.2020.105180
Dawkins, M.S., Roberts, S.J., Cain, R.J. Nickson, T., Donnelly, C.A. (2017) Early warning of footpad dermatitis and hock burn in broiler chicken flocks using optical flow, body weight and water consumption. Veterinary Record 180: 448 9-U60.
https://doi.org/10.1136/vr.104066
Colles, F.M., Cain, R., Nickson, T., Smith, A., Roberts, S.J., Maiden, M.C.J., Lunn, D.,Dawkins, M.S. (2016) Monitoring chicken flock behaviour provides early warning of infection by human pathogen Campylobacter. Proceedings of the Royal Society B 283: article 20152323. https://doi.org/10.1098/rspb.2015.2323
Dawkins, M.S., Cain, R., Merelie, K. and Roberts, S.j. (2013) In search of the behavioural correlates of optical flow patterns in the automated assessment of broiler chicken welfare. Applied Animal Behaviour Science 145: 44-50. https://doi.org/10.10164.applanim.2013.02.001
Roberts, S.J., Cain, R. and Dawkins, M.S. (2012) Prediction of welfare outcomes for broiler chickens using Bayesian regression on continuous optical flow data. Royal Society Journal Interface 9: 3436-3443. https://doi.org/10.1098/rsif.2012.0594
Dawkins, M.S., Cain, R. and Roberts, S.J. (2012) Optical flow,flock behaviour and chicken welfare. Animal Behaviour 84: 219-223. https://doi.org/10.1016/j.anbehav.2012.04.036
Dawkins, M.S., Lee, H.-J., Waitt, C.D. and Roberts, S.J. (2009) Optical flow patterns in broiler chickens as automated measures of behaviour and gait. Applied Animal Behaviour Science 119: 203-209. https://doi.org/10.1016/j.applanim.2009.04.009
LAYING HENS
.Lee, H.-J., Roberts, S. J., Drake, K .A. and Dawkins, M. S. (2011) Prediction of feather damage in laying hens using optical flows and Markov models. Journal of the Royal Society Interface 8: 489-499. https://doi.org/10.1098/rsif.2010.0268
PIGS
Larsen M.L.V., Pedersen L.J., Edwards S., Albanie S and Dawkins M.S. (2020) Movement change detected by optical flow precedes, but does not predict, tail-biting in pigs. Livestock Science 240: article no.104136. https://doi.org/10.1016/j.livsci.2020.104136
Li, Y., Johnston, L and Dawkins, M.S. (2020) Utilization of optical flow algorithms to monitor development of tail-biting outbreaks in pigs. Animals 10(2): article 323. https://doi.org/10.3390/ani10020323