Professor Meriel Moore-Colyer

Director of Research and Knowledge Exchange


Director of Research and Knowledge Exchange


BSc (Aberystwyth), BHSII, PhD (Edinburgh), R.Anim.Sci

Contact details

Tel: 01285 652531


University responsibilities

  • MSc Equine Science and BSc Equine Dissertation co-ordinator
  • Member of ethics committee

Professional memberships

  • British Society of Animal Science
  • British Horse Society
  • Registered Animal Scientist with Society of Biology

Additional Information 

  • Research and development of the Haygain hay steamer
  • Gut health and the study of digestive aids for horses


  • Equine nutrition and feeding behaviour
  • Environmental control of respiratory diseases in horses.


  • BSc Equine dissertation co-ordinator
  • MSc Equine dissertation co-ordinator
  • Research methodology and statistics
  • Equine Nutrition


Academic journals

  • Murray, J.M.D., Moore-Colyer, M.J.S. and Dunnett, C. and  Longland. A.C. (2014) The effect of feeding a low or high starch diet on equine faecal parameters. Livestock Science.159: 67-70
  • Moore-Colyer, M.J.S., O’Gorman, D. and Wakefield, K. (2013) An in vitro investigation into the effects of a marine-derived multimineral supplement in simulated equine stomach and hindgut environments. Journal of Equine Veterinary Science. Online journal
  • Ince, J., Longland, A.C., Moore-Colyer, M.J.S. and Harris, P.A. (2013) In vitro degradation of grass fructan by equid gastrointestinal digesta. Grass and Forage Science Article first published online : 8 JUN 2013, DOI: 10.1111/gfs.12061
  • S.A. Brown; M.J.S. Moore-Colyer; D. Hannant (2013) Phenotypic analyses support investigations of phylogeny in the Skyrian pony and other breeds. Bioscience Horizons 2013 6: hzt010-hzt010
  • Moore-Colyer, M.J.S. and Fillery, B.G. (2012) The effect of three different treatments on the respirable particle content, total viable count and mould concentrations in hay for horses. In: Forages and grazing in horse nutrition. EAAP publication No. 132. Ed. M.Saastamoinen, M.J. Fradinho, A.S. Santos and N. Miraglia. Pp 101-107
  • Murray, J.M.D., Dunnett, C., Moore-Colyer, M.J.S. and Longland, A.C. (2012) In vitro assessment of three fibrolytic enzyme preparations as potential feed additives in equine diets. Animal Feed Science and Technology. 171: 192-204.
  • James, R and Moore-Colyer, M.J.S (2010) Determination of the microbial contamination in dry and steamed hay.European Workshop for Equine Nutrition, Cirencester, Sept 2010. The Impact of nutrition on the health and welfare of horses. EAAP publication No. 128. Ed Ellis, A., Longland, A.C., Coenen, M and Miraglia, N.p 128-132 
  • Murray, J.M.D., Bice, R.K.T. and Moore-Colyer, M.J.S. (2010) The effect of particle size on the in vitro fermentation of different ratios of high-temperature dried lucerne and sugar beet pulp incubated with equine faecal inocula. Animal Feed Science and Technology. 162: 47-57.
  • Murray, J.M.D., Longland, A.C., Hastie, PM., Moore-Colyer, M.J.S. and Dunnett, C. (2008) The nutritive value of sugar beet pulp-substituted lucerne for equids. Animal Feed Science and Technology 140,110-124  ANIFEE11705
  • Murray, J.M.D., Sanderson, R., Longland, A., Moore-Colyer, M.J.S., Hastie, P. and Dunnett, C. (2009) Assessment of mathematical models to describe the rate of passage of enzyme-treated or sugar beet pulp-substituted lucerne silage in equids Animal Feed Science and Technology, Vol 154: 228-240.
  • Moore-Colyer, M.J.S. (2009) laminitis – A nutritionist’s perspective. National Equine Student, Issue 15 Journal of Equine Studies. Vol 8 pages 29-30. 
  • Johnson, J.L. and Moore-Colyer, M.J.S. (2009) The relationship between range of motion of lumbosacral flexion-extension and canter velocity of horses on a treadmill. Equine Veterinary Journal,41. 301-303
  • Murray, J.M.D., Moore-Colyer, M.J.S., Longland, A.C. and Dunnett, C. (2008) The effect of yeast supplementation on the  in vitro fermentation of high-temperature dried Lucerne. Animal Feed Science and Technology 146, 149-159.
  • Hale C.E., Moore-Colyer M.J.S. and Hemmings A.J. (2007). Feeding with Welfare in Mind: the role of alternative forages in meeting energy demands of domesticated horses. Animal Welfare. 16, (supp): 170.
  • Murray, J.M.D., Longland, A.C.,  Davies, D.R., Hastie, P.M., Moore-Colyer, M.J.S. and Dunnett, C. (2007) The effect of enzyme treatment on the nutritive value of lucerne for equids. Livestock Science 112. 52-62. LIVSCI-00409
  • Murray, J.M.D., Longland, A.C., Moore-Colyer, M.J.S. and Dunnett, C. (2006) The effect of feeding a low starch diet on thein vitro fermentative capacity of equine faecal inocula.  Animal Science  82. 627-636 (DOI 10.1079/ASC200683)
  • Murray, J.M.D., Longland, A.C., Moore-Colyer, M.J.S. (2006) In vitro fermentation of different ratios of high-temperature dried lucerne and sugar beet pulp incubated with an equine faecal inoculum.  Animal Feed Science and Technology 129. 89-98 (DOI10.1016/J.annifeedsci.2005.12.001)
  • Murray, J.M.D., Longland, A.C., Moore-Colyer, M.J.S. and Dunnett, C. (2005). The effect of enzyme treatment on the nutritive value of high-temperature dries Lucerne for ponies. Pferdeheilkunde 21. 41-42.
  • Murray, J.M.D., Longland, A.C., Moore-Colyer, M.J.S. and Dunnett, C. (2005) The effect of enzyme treatment on the in vitro fermentation of lucerne incubated with equine faecal inocula. British Journal of Nutrition 83: 771-782 (DOI: 10.1079/BJN20051561)
  • Yanez, D., Moore-Colyer, M.J.S., Longland, A.C., Walsh, C., Bakewell, E., Kirk, A., Grime, E., Northover, A., Davies, D. R., Griffith, G. Newbold, C.J. (2004). Microbial counts in different sites of the gastro-intestinal tract of the horse. Reproduction, Nutrition Development, Supplement 1 S 12. Concerns and responses to food safety, health and environmental issues. 4th Joint INRA-RRI Symposium on Gut Microbiology, 21-24 June 2004, Clermont-Ferrand, France.
  • Moore-Colyer, M.J.S. Longland, A.C.(2004) Exploiting dietary fibre in equid diets.  Emerging Equine Science. BSAS publication no 32.Nottingham University Press. Pp 113-129.
  • Moore-Colyer, M.J.S.; Morrow, H.J. and Longland, A.C. (2003) Mathematical modelling of digesta passage rate, mean retention time and in vivo apparent digestibility of two different lengths of hay and big bale grass silage in ponies. British Journal of Nutrition 90: 109-118. (DOI 10.1079/BJN2003869)
  • Moore-Colyer, M.J.S.; Hyslop, J.J.; Longland, A.C. and Cuddeford, D. (2002) The mobile bag technique as a method for determining the degradation of four botanically diverse fibrous feedstuffs in the small intestine and total digestive tract of ponies. British Journal of Nutrition 88: 729-740. (DOI 1079/BJN2002734)
  • Murray J., Longland, A.C. and Moore-Colyer, M. (2001)   Chemical characterization and in vitro fermentation of high temperature dried alfalfa and grass hay. In  Recent Advances in Equine Nutrition Ed Pagan and R.J.Geor Kentucky Equine  Research  115-117
  • Moore-Colyer, M. J. (2000) Dietary fibre for the performance horse In Horserace betting levy board: a report from a workshop on equine nutrition Equine Veterinary Education 12(4):187-194
  • Moore-Colyer, M.J.S. and Longland, A.C.L. (2000) Intakes and  in vivo apparent digestibilities of four types of conserved grass forage by ponies. Animal Science, 71: 527-535. (ISSN number 1357-7298)
  • Moore-Colyer, M.J.S.; Longland,A.C.; Hyslop,J. and Cuddeford, D.(2000) Intra-caecal fermentation parameters in ponies fed botanically diverse fibre feeds. Animal Feed Science and Technology,  84: 183-197. (ISSN number 0377-8401)
  • Blackman, M. and Moore-Colyer, M.J.S. (1998) Hay for horses: the effects of three different wetting treatments on dust and mineral content. Animal Science. 66. 745-750. (ISSN number 1357-7298)
  • Moore-Colyer, M.J.S. (1996) The effects of soaking hay fodder for horses on dust and mineral content. Animal Science.63. 337-342. (ISSN number 1357-7298)

Books written

  • Moore-Colyer, M.J.S. (2011)  Equine Locomotion. International Equine Institute, University of Limerick, Ireland.
  • Moore-Colyer, M.J.S. (2012) Foundations of Equine Performance.  International Equine Institute, University of Limerick, Ireland. 

Consultancy reports

  • Moore-Colyer, M.J.S (2013) The Effect of ad libitum or restricted hay with or without the molassed-based supplement (Horslyx) on the intake and behaviour of normal and stereotypic horses. Report for Calltech Ltd. 
  • Moore-Colyer, M.J.S. (2011) The Effect of three different treatments on the respirable particle content, total viable count and mould concentrations in hay for horses. Report for Propress Equine Ltd (Haygain)  
  • Moore-Colyer, M.J.S. (2009) Investigation of the buffering action and fermentation activity of Aquacid, when incubated in vitro with fibre and concentrate diets. Report for Saracen Horse Feeds Ltd and CelticSea Minerals 
  • Moore-Colyer. The effect of an ad libitum molassed-based supplement (Horslyx) on the apparent digestibility of fibre in horses. Report for Caltech 2007.
  • M. Moore-Colyer. In vivo apparent digestibility of four types of fibre-based feeds when offered as sole diets to horses in light work. Report for Youngs Animal Feeds Dec 2003. 
  • A.C Longland  and M.J.S. Moore-Colyer Alfalfa (Medicago sativa):A review of its chemical composition, possible pharmacological activity and potential industrial uses. Report for Dengie Crops Ltd. Dec 2002. 

Popular Articles

  • Winter Feeding – British Horse Dec 2013
  • Feeding Fibre to racehorses – European Trainer Issue 43- Autumn 2013 and North American Trainer
  • Moore-Colyer, M.J.S (2012) Winter Forages – The dilemma of feeding your horse this winter. Equine Health. Nov / Dec edition
  • Moore-Colyer, M.J.S. (2012) Prevention of and long term solutions for respiratory problems. Equine Health Sept /Oct 2012
  • Moore-Colyer, M.J.S. (2011). Healthy hay for horses. Equine Health, August / September 2011.
  • Moore-Colyer, M.J.S. (2008) Feeding for feet Horse and Hound