Page 779 - Hand rearing birds second

Appendix B 783

Table B.2 Energy requirements of nonpasserine chicks.

Body Weight Basal Metabolic Maintenance Energy Kilocalories per Day for
(grams) Rate (BMR) Requirement (MER) in kcal/Day Growth when Healthy

30 5.6 8.4 13–25
40 7.0 10.5 16–31
50 8.2 12.4 19–37
60 9.5 14.2 21–43
70 10.6 15.9 24–48
80 11.7 17.6 26–53
90 12.8 19.2 29–58
100 13.9 20.8 31–62
120 15.9 23.9 36–72
140 17.9 26.8 40–80
160 19.7 29.6 44–89
180 21.6 32.3 48–97
200 23.3 35.0 52–105
225 25.5 38.2 57–115
250 27.6 41.4 62–124
275 29.6 44.4 67–133
300 31.6 47.4 71–142
350 35.5 53.2 80–160
400 39.2 58.8 88–177
450 42.9 64.3 96–193
500 46.4 69.6 104–209
600 53.2 79.8 120–239
700 59.7 89.5 134–269
800 66.0 99.0 148–297
900 72.1 108.1 162–324
1000 78.0 117.0 176–351
1250 92.2 138.3 207–415
1500 105.7 158.6 238–476
1750 118.7 178.0 267–534
2000 131.2 196.8 295–590
2500 155.1 232.6 349–698
3000 177.8 266.7 400–800