1,000 lb (454 kg)

1,200 lb (544 kg)

1,400 lb (635 kg)

1,600 lb (726 kg)

1,800 lb (816 kg)

Number of Months Since Calving

Estimated Average Crude Protein Requirement: Protein Consumed, in lb (kg) per cow per day

1

1.93 (0.88)

2.12 (0.96)

2.29 (1.04)

2.46 (1.12)

2.65 (1.20)

2

2.57 (1.17)

2.75 (1.25)

2.93 (1.33)

3.10 (1.41)

3.19 (1.45)

3

2.62 (1.19)

2.80 (1.27)

2.98 (1.35)

3.15 (1.43)

3.32 (1.51)

4

2.43 (1.10)

2.62 (1.19)

2.80 (1.27)

2.97 (1.35)

3.19 (1.45)

5

2.20 (1.00)

2.38 (1.08)

2.56 (1.16)

2.73 (1.24)

2.92 (1.32)

6

1.98 (0.90)

2.16 (0.98)

2.33 (1.06)

2.50 (1.13)

2.62 (1.19)

7

1.80 (0.82)

1.99 (0.90)

2.16 (0.98)

2.33 (1.06)

2.35 (1.07)

8

1.32 (0.60)

1.50 (0.68)

1.68 (0.76)

1.85 (0.84)

2.16 (0.98)

9

1.38 (0.63)

1.56 (0.71)

1.74 (0.79)

1.91 (0.87)

2.07 (0.94)

10

1.49 (0.68)

1.67 (0.76)

1.85 (0.84)

2.02 (0.92)

2.18 (0.99)

11

1.67 (0.76)

1.85 (0.84)

2.02 (0.92)

2.19 (0.99)

2.36 (1.07)

12

1.94 (0.88)

2.13 (0.97)

2.30 (1.04)

2.47 (1.12)

2.64 (1.20)