Table 4.
Human-edible nutrient conversion efficiency of the beef supply chain (red + organ meat yield).
| Item | Iron | Zinc | Selenium | Phosphorus | B6 | Riboflavin | Niacin | Niacin + Trp | Choline |
|---|---|---|---|---|---|---|---|---|---|
| Cow-calf | |||||||||
| Intake, mg | 7641 | 15,475,832 | 78,531 | 241,130 | 1161 | 183 | 4126 | 5654 | 107,277 |
| Production, mg | 544,957 | 544,247 | 5054 | 4,086,275 | 77,290 | 52,137 | 982,921 | 1,760,136 | 17,687,328 |
| Conversion ratio | 71.32 | 0.04 | 0.06 | 16.95 | 66.55 | 284.31 | 238.22 | 331.30 | 164.87 |
| Stocker | |||||||||
| Intake, mg | 90,604 | 2,244,941 | 17,760 | 40,115 | 13,772 | 2174 | 48,926 | 67,047 | 1,272,080 |
| Production, mg | 140,755 | 138,438 | 1307 | 1,050,408 | 20,058 | 14,242 | 255,141 | 455,268 | 4,649,087 |
| Conversion ratio | 1.55 | 0.06 | 0.07 | 26.18 | 1.46 | 6.55 | 5.21 | 6.79 | 3.65 |
| Feedlot | |||||||||
| Intake, mg | 2,692,911 | 8,557,328 | 65,609 | 221,400 | 442,682 | 77,254 | 1,508,601 | 2,104,547 | 38,994,033 |
| Production, mg | 568,475 | 580,454 | 5357 | 4,338,670 | 83,251 | 54,995 | 1,049,806 | 1,886,950 | 18,925,592 |
| Conversion ratio | 0.21 | 0.07 | 0.08 | 19.60 | 0.19 | 0.70 | 0.70 | 0.90 | 0.49 |
| Supply chain | |||||||||
| Intake, mg | 2,791,156 | 26,278,101 | 161,901 | 502,644 | 457,615 | 79,611 | 1,561,654 | 2,177,248 | 40,373,391 |
| Production, mg | 1,254,188 | 1,263,138 | 11,717 | 9,475,353 | 180,600 | 121,374 | 2,287,868 | 4,102,353 | 41,262,008 |
| Conversion ratio | 0.45 | 0.05 | 0.07 | 18.85 | 0.39 | 1.52 | 1.47 | 1.88 | 1.02 |