Meat quality of bison slaughtered in a mobile or stationary abattoir
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Meat Quality of Bison Slaughtered in a Mobile or Stationary Abattoir. Jayson Galbraith, M.Sc., P.Ag. Elk/Bison Specialist Alberta Agriculture and Rural Development CBA Convention November 22, 2009. Outline. Description of overall multi-location abattoir project Bison project

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Meat quality of bison slaughtered in a mobile or stationary abattoir l.jpg

Meat Quality of Bison Slaughtered in a Mobile or Stationary Abattoir

Jayson Galbraith, M.Sc., P.Ag.

Elk/Bison Specialist

Alberta Agriculture and Rural Development

CBA Convention November 22, 2009


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Outline Abattoir

  • Description of overall multi-location abattoir project

  • Bison project

  • The mobile unit in the field

  • What was found (some results)

  • Next steps


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Technical and business feasibility of multi-location abattoirs

  • Project Partners:

    • Alberta Agriculture and Rural Development

      • Regulatory Services Division

      • Food Safety Division

      • Rural Extension and Industry Development

    • Olds College, Meat Program

    • Lacombe Research Centre


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The project has three phases abattoirs

Phase I. Project organization, MLA unit design and construction

Phase II. Initial testing of the MLA unit, writing HACCP based operational plans, obtaining provincial meat inspection approval

Phase III. Field testing of the abattoir (including the bison project), data collection and reports


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MLA design abattoirs


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MLA abattoirs

  • Plants maximum size is limited by the highway transportation regulations. The trailer dimensions

    • Length 53 ft

    • Width 8 ft

    • Height 14 ft


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Opportunity abattoirs

  • Local markets- for rural areas

    (Roininen et al , 2006)

  • Provincially inspected meats

    Bison - AB- 2827 (15%)

    Elk - AB- 896 (20%)

    Cattle- 6.5% across Canada


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Field testing- Bison study abattoirs

  • Compare meat quality and physiological stress in bison exposed to different pre-slaughter treatments

  • Provide baseline values against which the effects of pre-slaughter treatments could be evaluated in further research with bison


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Measurements abattoirs

  • Muscle temperature, and cold carcass pH

  • Glycogen potential

  • Bruising

  • Drip loss

  • Shear value

  • Proximate analyses

  • Sensory panel

  • Color

  • Fecal corticosterone

  • Blood cortisol


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Rapid browning of bison meat abattoirs

  • Important issue for fresh meat sales

  • Reasons for rapid discoloration


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Other objectives of MLA bison project abattoirs

  • Develop an operating procedure that results in maximum benefit of utilization of MLA on farms

    • Farm setup requirements

    • Procedure for field shooting, handling etc.

  • Business analysis of unit, feasibility

  • Differentiated product, domestic markets


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Hagedorn, 2008 abattoirs


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Bruising abattoirs

  • 2/55 quite bad (6-8kg). One MP, one S

  • 46/55 none or a ‘1’ score


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Conclusions and Implications abattoirs

  • Improved meat tenderness was seen in bison slaughtered on-farm through a mobile abattoir compared to those transported to a stationary abattoir

  • On-farm, the penned group resulted in more favorable carcass color and driploss measurements over the confined group

    • This has implications supporting low-stress handling of bison


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Publication expectations abattoirs

  • Short paper and poster at International Congress of Meat Science & Technology

  • Meat quality of bison slaughtered in a mobile or stationary abattoir

  • Physiological stress of bison slaughtered in a mobile or stationary abattoir

  • Bison meat fatty acid profile


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Questions abattoirs


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