This website is dedicated to research into fish welfare and aims to serve as a repository and reference point for relevant information relating to the various fish welfare related research initiatives. More

Dr Toby Knowles, BSc(Hons), MSc, PhD(Cantab) C.Stat, C.Sci, C.Biol, MSB, FHEA

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Reader in Farm & Food Science School of Veterinary Science, University of Bristol
The Animal Behaviour & Welfare Group, is based at the University of Bristol's School of Veterinary Science at Langford. The group as a whole has a diverse range of interests, from farm, domestic and companion animals to laboratory and zoo animals, captive and wild cetacea, rural wild animals, hunted animals and reintroduced species. It also has a strong history of working on the welfare of fish. A number of members of the group have their origins in meat research and this means that the group has a strong interest in flesh quality and its association with welfare. In general, poor welfare will lead to poorer flesh and carcass quality thus quality is a very useful summary measure of the well being of the fish during its life and at the time of slaughter. The fish welfare group maintains links with many national and international, commercial, research and academic bodies focused on fish production and fish welfare.

Relevant Publications

Hoyle, I., Oidtmann, B., Ellis, T., Turnbull, J., North, B., Nikolaidis, J. and Knowles, T.G. (2007) A validated macroscopic key to assess fin damage in farmed rainbow trout (Oncorhynchus mykiss) Aquaculture 270 142-148.

Ellis, T., Hoyle, I., Oidtmann, B., Turnbull, J.F., Jacklin, T. and Knowles, T.G. (2009) Further development of the “Fin Index” method for quantifying fin erosion in rainbow trout. Aquaculture 289 283-288.

Knowles, T.G., Brown, S.N., Warriss, P.D., Lines, J., Tinarwo, A., Bravo, A., Carvalho, H. and Gonçalves, A. (2007) The effect of electrical stunning at slaughter on the carcass, flesh and eating quality of farmed sea bass (Dicentrarchus labrax). Aquaculture Research 38 1732-1741.

Knowles, T.G., Brown S.N., Warriss, P.D., Lines, J., Tinarwo, A. & Sendon, M. (2008) Effect of electrical stunning at slaughter on the quality of farmed turbot (Psetta maxima). Aquaculture Research 39 1731-1738.

Gatica, M.C., Monti, G., Gallo, C., Knowles, T.G. and Warriss, P.D. (2008) Effects of transportation in a well-boat on the muscle pH and onset of rigor mortis in Atlantic Salmon. Veterinary Record 163 111-116.

St-Hilaire, S., Ellis, T., Cooke, A., North, B.P., Turnbull, J.F., Knowles, T.G. and Kestin, S. (2006) Fin erosion on commercial rainbow trout farms in the UK. Veterinary Record 159 446-451.

Fishwelfare Articles

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