Cobb-Vantress
Cobb 500 Performance Chart: Weight, FCR, Daily Intake
Cobb 500 — the most widely-used broiler breed worldwide. Known for low FCR and uniform weight at 35-42 days.
Target weight day-35: 2.1 kg
Target FCR day-35: 1.66
Cumulative feed day-35: 3.485 kg
Performance objectives
Source: official breed performance objectives. Real-world results vary by management.
| Day | Body weight (g) | Daily feed (g) | Cumulative feed (g) | FCR |
|---|---|---|---|---|
| 1 | 42 | 13 | 13 | 0.310 |
| 3 | 70 | 23 | 47 | 0.671 |
| 7 | 175 | 35 | 168 | 0.960 |
| 10 | 285 | 50 | 304 | 1.067 |
| 14 | 480 | 73 | 564 | 1.175 |
| 17 | 660 | 91 | 808 | 1.224 |
| 21 | 950 | 118 | 1,233 | 1.298 |
| 24 | 1,190 | 138 | 1,623 | 1.364 |
| 28 | 1,530 | 162 | 2,225 | 1.454 |
| 31 | 1,790 | 178 | 2,735 | 1.528 |
| 35 | 2,100 | 195 | 3,485 | 1.660 |
| 38 | 2,310 | 205 | 4,090 | 1.770 |
| 42 | 2,580 | 215 | 4,925 | 1.910 |
| 45 | 2,780 | 220 | 5,580 | 2.007 |
| 49 | 3,010 | 225 | 6,470 | 2.150 |
Compare with other breeds
Aviagen
Ross 308
Ross 308 — the dominant broiler breed in the Middle East. Excels in finished weight and adapts well to varying conditions.
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Hubbard
Hubbard Flex
Hubbard Flex — versatile broiler suited to mid-weight markets (1.8-2.2 kg) with competitive FCR.
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Aviagen
Arbor Acres Plus
Arbor Acres Plus — Aviagen breed with performance close to Ross 308 and lower DOC cost in some markets.
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Aviagen
Ross 708
Ross 708 — specialised for high breast-meat yield, used in markets focused on lean cuts.
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Compare actual performance against this standard.
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