Canadian Grain Commission
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Mixed grain – Chapter 9
Official Grain Grading Guide
Primary grade determinants tables
Mixed Grain, Canada Western (CW)
| Grade name | ** Composition |
|---|---|
| Mixed Grain CW Wheat | Mixtures of cereal grains and wild oats, containing greater than 50% wheat |
| Mixed Grain CW Rye | Mixtures of cereal grains and wild oats, containing greater than 50% rye |
| Mixed Grain CW Barley | Mixtures of cereal grains and wild oats, containing greater than 50% barley |
| Mixed Grain CW Oats | Mixtures of cereal grains and wild oats, containing greater than 50% oats |
| Mixed Grain CW Triticale | Mixtures of cereal grains and wild oats, containing greater than 50% triticale |
| Mixed Grain CW | Mixtures of cereal grains and wild oats, no single cereal grain exceeding 50% but containing 50% or greater of total cereal grains |
| Grade name | Damage | Foreign material | ||||||
|---|---|---|---|---|---|---|---|---|
| Broken % | Fireburnt % | Heated % | Ergot % | Excreta % | Sclerotinia % | Stones | Total % | |
| Mixed Grain CW Wheat | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CW Rye | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CW Barley | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CW Oats | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CW Triticale | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CW | 20 | 0.5 | 10 | 0.1 | 0.02 | 0.25 | 0.1 | 2 |
| Grade, if specs for Mixed Grain not met | 50% or less–Sample Feed Grain. Over 50%–Sample Broken Grain | Mixed Grain, Sample CW Account Fireburnt | Mixed Grain, Sample CW Account Heated | Mixed Grain, Sample CW Account Ergot | Mixed Grain, Sample CW Account Excreta | Mixed Grain, Sample CW Account Admixture | 2.5% or less–Mixed Grain, Rejected (grade) Account Stones. Over 2.5%–Mixed Grain, Sample Salvage | Mixed Grain, Sample CW Account Admixture |
** All grades must have less than 50% by weight of wild oats.
Mixed Grain, Canada Eastern (CE)
| Grade name | ** Composition |
|---|---|
| Mixed Grain CE Wheat | Mixtures of cereal grains and wild oats, containing greater than 50% wheat |
| Mixed Grain CE Rye | Mixtures of cereal grains and wild oats, containing greater than 50% rye |
| Mixed Grain CE Barley | Mixtures of cereal grains and wild oats, containing greater than 50% barley |
| Mixed Grain CE Oats | Mixtures of cereal grains and wild oats, containing greater than 50% oats |
| Mixed Grain CE Triticale | Mixtures of cereal grains and wild oats, containing greater than 50% triticale |
| Mixed Grain CE | Mixtures of cereal grains and wild oats, no single cereal grain exceeding 50% but containing 50% or greater of total cereal grains |
| Grade name | Damage | Foreign material | ||||||
|---|---|---|---|---|---|---|---|---|
| Broken % | Fireburnt % | Heated % | Ergot % | Excreta % | Sclerotinia % | Stones % | Total % | |
| Mixed Grain CE Wheat | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CE Rye | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CE Barley | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CE Oats | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CE Triticale | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Mixed Grain CE | 20 | 0.5 | 10 | 0.25 | 0.02 | 0.25 | 0.1 | 2 |
| Grade, if specs for Mixed Grain not met | 50% or less–Sample Feed Grain. Over 50%–Sample Broken Grain | Mixed Grain, Sample CE Account Fireburnt | Mixed Grain, Sample CE Account Heated | Mixed Grain, Sample CE Account Ergot | Mixed Grain, Sample CE Account Excreta | Mixed Grain, Sample CE Account Admixture | 2.5% or less– Mixed Grain, Rejected (grade) Account Stones. Over 2.5%– Mixed Grain, Sample Salvage | Mixed Grain, Sample CE Account Admixture |
** All grades must have less than 50.0% by weight of wild oats
