Table 1.

Chemical composition of bulk tank milk ($\overline{x}$ ± SD).

Traits	$\overline{\mathit{x}} \pm \mathbf{SD}$
Dry matter (%)	15.74 ± 0.18
Protein (%)	3.87 ± 0.02
Fat (%)	5.38 ± 0.01
Lactose (%)	5.64 ± 0.01
Mineral salts (%)	0.72 ± 0.01

$\overline{x}$—mean value; SD—standard deviation.