Dr. Bethany Uttaro

Image Bethany Uttaro
Research Scientist

Meat Quality: Applied Bioinstrumentation

Current research and/or projects

  • On-line sorting of pork bellies for firmness
  • Measurement of pork shoulder and leg face features for primal composition
  • Automated evaluation of marbling composition, meat colour and meat quality of pork primal cuts

Professional activities / interests

  • Peer review: regular reviewer for manuscripts submitted to Meat Science. Occasional reviewer for 6-8 other journals.
  • Operation Minerva - Introducing Grade 8 girls to STEM workplace as part of developing their further education pathway.

Education and awards


  • Ph.D. Animal Science: University of Guelph, 2003. Thesis "Objective and Physical Evaluations of Meat Quality"
  • M.Sc. Meat Science: University of Guelph, 1991. Thesis "Growth, Carcas Yield, and Meat Quality of Pork from Pigs Receiving Diets containing the Beta-agonist Ractopamine"
  • B.Sc. Animal Science: Nova Scotia Agricultural College, Truro, 1987


  • CMSA: Percy Gitelman Memorial Scholarship. 1999
  • NSERC Visiting Fellow in a Canadian Government Laboratory. 2003-2006

Key publications

  1. N/A

    2021 - View publication details

  2. N/A

    2020 - View publication details

  3. Uttaro, B., Zawadski, S., Juárez, M. (2020). An approach for objective and automated identification of pork belly firmness, 169 http://dx.doi.org/10.1016/j.meatsci.2020.108221

    2020 - View publication details

  4. Uttaro, B., Zawadski, S., McLeod, B. (2019). Efficacy of multi-stage sous-vide cooking on tenderness of low value beef muscles, 149 40-46. http://dx.doi.org/10.1016/j.meatsci.2018.11.008

    2019 - View publication details

  5. Soladoye, O.P., Uttaro, B., Zawadski, S., Dugan, M.E.R., Gariépy, C., Aalhus, J.L., Shand, P., Juárez, M. (2017). Compositional and dimensional factors influencing pork belly firmness, 129 54-61. http://dx.doi.org/10.1016/j.meatsci.2017.02.006

    2017 - View publication details

  6. Zhang, H., Aalhus, J.L., Gariépy, C., Uttaro, B., López-Campos, O., Prieto, N., Dugan, M.E.R., Jin, Y., Juárez, M. (2016). Effects of pork differentiation strategies in Canada on pig performance and carcass characteristics, 96(4), 512-523. http://dx.doi.org/10.1139/cjas-2015-0197

    2016 - View publication details

  7. Rodas-González, A., Larsen, I.L., Uttaro, B., Juárez, M., Parslow, J., Aalhus, J.L. (2015). Determination of optimum oven cooking procedures for lean beef products, 3(6), 475-485. http://dx.doi.org/10.1002/fsn3.229

    2015 - View publication details

  8. Mapiye, C., Vahmani, P., Aalhus, J.L., Rolland, D.C., Baron, V.S., McAllister, T.A., Block, H.C., Uttaro, B., Dugan, M.E.R. (2015). Fatty acid composition of beef steers as affected by diet and fat depot, 45(4), 386-394. http://dx.doi.org/10.4314/sajas.v45i4.5

    2015 - View publication details

  9. Turner, T.D., Aalhus, J.L., Mapiye, C., Rolland, D.C., Larsen, I.L., Basarab, J.A., Baron, V.S., McAllister, T.A., Block, H.C., Uttaro, B., Dugan, M.E.R. (2015). Effects of diets supplemented with sunflower or flax seeds on quality and fatty acid profile of hamburgers made with perirenal or subcutaneous fat, 99 123-131. http://dx.doi.org/10.1016/j.meatsci.2014.08.006

    2015 - View publication details

  10. Smit, M.N., Zamora, V., Young, M.G., Campbell, N.G., Uttaro, B., Beltranena, E. (2015). Empiric narrowing of the net energy value of reduced-oil corn distillers’ dried grain with solubles for growing-finishing pigs, 95(2), 225-241. http://dx.doi.org/10.4141/CJAS-2014-106

    2015 - View publication details

  11. Mapiye, C., Aalhus, J.L., Vahmani, P., Rolland, D.C., McAllister, T.A., Block, H.C., Uttaro, B., Proctor, S.D., Dugan, M.E.R. (2014). Improving beef hamburger quality and fatty acid profiles through dietary manipulation and exploitation of fat depot heterogeneity, 5(1), http://dx.doi.org/10.1186/2049-1891-5-54

    2014 - View publication details

  12. Mapiye, C., Aalhus, J.L., Turner, T.D., Vahmani, P., Baron, V.S., McAllister, T.A., Block, H.C., Uttaro, B., Dugan, M.E.R. (2014). Inclusion of sunflower seed and wheat dried distillers' grains with solubles in a red clover silage-based diet enhances steers performance, meat quality and fatty acid profiles, 8(12), 1999-2010. http://dx.doi.org/10.1017/S1751731114001955

    2014 - View publication details

  13. López-Campos, O., Aalhus, J.L., Galbraith, J., Larsen, I.L., Juárez, M., Uttaro, B., Robertson, W.M. (2014). The relation of carcass physiological maturity to meat quality in the Canadian Bison Grading System, 94(1), 55-62. http://dx.doi.org/10.4141/CJAS2013-047

    2014 - View publication details

  14. Prieto, N., López-Campos, O., Zijlstra, R.T., Uttaro, B., Aalhus, J.L. (2014). Discrimination of beef dark cutters using visible and near infrared reflectance spectroscopy, 94(3), 445-454. http://dx.doi.org/10.4141/CJAS-2014-024

    2014 - View publication details

  15. Prieto, N., López-Campos, O., Aalhus, J.L., Dugan, M.E.R., Juárez, M., Uttaro, B. (2014). Use of near infrared spectroscopy for estimating meat chemical composition, quality traits and fatty acid content from cattle fed sunflower or flaxseed, 98(2), 279-288. http://dx.doi.org/10.1016/j.meatsci.2014.06.005

    2014 - View publication details

  16. Menon, D.G., Bennett, D.C., Uttaro, B., Schaefer, A.L., Cheng, K.M. (2014). Carcass yields and meat quality characteristics of adult emus (Dromaius novaehollandiae) transported for 6h before slaughter, 98(2), 240-246. http://dx.doi.org/10.1016/j.meatsci.2014.05.027

    2014 - View publication details

  17. Prieto, N., Uttaro, B., Mapiye, C., Turner, T.D., Dugan, M.E.R., Zamora, V., Young, M., Beltranena, E. (2014). Predicting fat quality from pigs fed reduced-oil corn dried distillers grains with solubles by near infrared reflectance spectroscopy: Fatty acid composition and iodine value, 98(4), 585-590. http://dx.doi.org/10.1016/j.meatsci.2014.06.009

    2014 - View publication details

  18. Holdstock, J., Aalhus, J.L., Uttaro, B.A., López-Campos, O., Larsen, I.L., Bruce, H.L. (2014). The impact of ultimate pH on muscle characteristics and sensory attributes of the longissimus thoracis within the dark cutting (Canada B4) beef carcass grade, 98(4), 842-849. http://dx.doi.org/10.1016/j.meatsci.2014.07.029

    2014 - View publication details

  19. Meadus, W.J., Turner, T.D., Dugan, M.E.R., Aalhus, J.L., Duff, P., Rolland, D., Uttaro, B., Gibson, L.L. (2013). Fortification of pork loins with docosahexaenoic acid (DHA) and its effect on flavour, 4(1), http://dx.doi.org/10.1186/2049-1891-4-46

    2013 - View publication details

  20. Mapiye, C., Aalhus, J.L., Turner, T.D., Rolland, D.C., Basarab, J.A., Baron, V.S., McAllister, T.A., Block, H.C., Uttaro, B., Lopez-Campos, O., Proctor, S.D., Dugan, M.E.R. (2013). Effects of feeding flaxseed or sunflower-seed in high-forage diets on beef production, quality and fatty acid composition, 95(1), 98-109. http://dx.doi.org/10.1016/j.meatsci.2013.03.033

    2013 - View publication details

Research facility

6000 C and E Trail
Lacombe, AB T4L 1W1


  • Canadian Meat Science Association (CMSA) Executive committee chairs, and Committee member - 2003-present
  • Olds College: Industry Advisory Committe member, Meat Processing Program 2018-present
  • Meat Science: Editorial Board member. 2016-present.
  • CCSI: Carcass Quality and Meat Standards Working Group. 2009-present