Table 1.

Average fat (%, w/w) and gross energy content of milk during the lactation period (210 d)

Lactation stage	Fat X ± SD	Gross Energy (kJ·kg-1)
15 d	0.72 ± 0.09 a	1857.3 a
30 d	0.71 ± 0.10 a	1831.5 a
60 d	0.65 ± 0.15	1780.9
90 d	0.54 ± 0.15	1749.6
120 d	0.55 ± 0.17	1764.1
150 d	0.50 ± 0.22	1690.6
180 d	0.48 ± 0.06	1668.4
210 d	0.42 ± 0.33 b	1645.6 b

^{a, b} Means with different letters within the column differ significantly for P < 0.05.