Table 9.3.

Nutrient recommendations of precision-fed dairy heifers fed to gain 0.86 kg/d.

Age, mo	Body weight, kg	DMI, kg/d	ME, Mcal/d	CP, kg/d	NDF, %
4	113	2.59	7.8	0.41	23
6	159	3.38	10.1	0.50	24
7	204	4.11	12.2	0.63	26
9	249	4.82	14.1	0.72	27
11	295	5.49	16.0	0.82	28
13	340	6.14	17.9	0.91	29
14	385	6.78	19.6	1.00	30
16	431	7.40	21.3	1.09	30
18	476	8.00	23.0	1.18	31
20	521	8.60	24.6	1.27	32
21	567	9.18	26.2	1.32	32
23	612	9.76	27.7	1.40	33

Adapted from Penn State Extension. Precision Feeding Dairy Heifers: Strategies and Recommendations. Sejrsen K, Huber JT, Tucker HA, et al. Influence of nutrition on mammary development in pre- and postpubertal heifers. J Dairy Sci. 1982;65:845–855.