Table 1. Comparison of the wool traits of the Hetian sheep.

Wool traits	Sheep of high wool density (n = 10)	Sheep of low wool density (n = 10)
The density of wool (per cm2)	1862.70±77.90**	1474.20±60.41
The ratio of fine wool to coarse wool	8.97±0.80**	4.12±0.38
The fiber diameter of the coarse wool (μm)	34.48±6.93	40.96±9.47*
The fiber diameter of the fine wool (μm)	20.48±2.88	21.40±2.47

**P < 0.01 and

*P < 0.05