Aviagen
Ross 308 Performance Chart: Weight, FCR, Daily Intake
Ross 308 — the dominant broiler breed in the Middle East. Excels in finished weight and adapts well to varying conditions.
Target weight day-35: 2.16 kg
Target FCR day-35: 1.69
Cumulative feed day-35: 3.635 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 | 44 | 13 | 13 | 0.295 |
| 3 | 73 | 25 | 50 | 0.685 |
| 7 | 185 | 38 | 180 | 0.970 |
| 10 | 295 | 53 | 320 | 1.085 |
| 14 | 495 | 76 | 590 | 1.190 |
| 17 | 685 | 95 | 850 | 1.240 |
| 21 | 985 | 122 | 1,290 | 1.310 |
| 24 | 1,230 | 142 | 1,700 | 1.380 |
| 28 | 1,580 | 167 | 2,330 | 1.475 |
| 31 | 1,840 | 183 | 2,860 | 1.555 |
| 35 | 2,160 | 200 | 3,635 | 1.685 |
| 38 | 2,370 | 210 | 4,255 | 1.795 |
| 42 | 2,640 | 220 | 5,115 | 1.940 |
| 45 | 2,840 | 226 | 5,790 | 2.040 |
| 49 | 3,070 | 230 | 6,700 | 2.180 |
Compare with other breeds
Cobb-Vantress
Cobb 500
Cobb 500 — the most widely-used broiler breed worldwide. Known for low FCR and uniform weight at 35-42 days.
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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.
Flockera benchmarks every flock against breed standard automatically and alerts on deviation — no manual lookup, no spreadsheets.