Table 5.
Effect of genomic-enhanced sorting on the percentage of steers that reached the target endpoint of 70:70 quality grid (>70% AAA/Prime and Y1/Y2) and Y1-lean meat yield (>70% Y1) program
| Percentage (%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Breed | Group1 | N1 | Prime/AAA | AA | A | B4 | Y1 | Y2 | Y3 | Prime/AAA | Y1 |
| Angus | Q—quality | 42 | 40 | 1 | 1 | 0 | 17 | 24 | 1 | 95.2 | 40.5 |
| L—lean | 48 | 25 | 21 | 1 | 1 | 26 | 22 | 0 | 52.1 | 54.2 | |
| M—marbling | 67 | 61 | 5 | 0 | 1 | 4 | 45 | 18 | 91.0 | 6.0 | |
| O—other | 25 | 13 | 12 | 0 | 0 | 4 | 17 | 4 | 52.0 | 16.0 | |
| Overall | 182 | 139 | 39 | 2 | 2 | 51 | 108 | 23 | 76.4 | 28.0 | |
| Charolais | Q—quality | 12 | 8 | 3 | 0 | 1 | 12 | 0 | 0 | 66.7 | 100.0 |
| L—lean | 64 | 7 | 48 | 7 | 2 | 62 | 2 | 0 | 10.9 | 96.9 | |
| M—marbling | 25 | 14 | 10 | 1 | 0 | 18 | 7 | 0 | 56.0 | 72.0 | |
| O—other | 31 | 4 | 24 | 3 | 0 | 27 | 4 | 0 | 12.9 | 87.1 | |
| Overall | 132 | 33 | 85 | 11 | 3 | 119 | 13 | 0 | 25.0 | 90.2 | |
| Kinsella Composite | Q—quality | 84 | 53 | 29 | 2 | 0 | 32 | 42 | 10 | 63.1 | 38.1 |
| L—lean | 137 | 60 | 70 | 5 | 2 | 63 | 58 | 16 | 43.8 | 46.0 | |
| M—marbling | 142 | 94 | 44 | 1 | 3 | 47 | 78 | 17 | 66.2 | 33.1 | |
| O—other | 121 | 55 | 56 | 9 | 1 | 40 | 60 | 21 | 45.5 | 33.1 | |
| Overall | 484 | 262 | 199 | 17 | 6 | 182 | 238 | 64 | 54.1 | 37.6 | |
1 N is the number of steers that were graded for quality and yield grade by graders certified under the Canadian Beef Grading Agency.