Table 3. Principal component analysis results corresponding to each variable.

Variable	Comp.1	Comp.2	Comp.3	Comp.4
Mutton production	0.22	0.59	0.13	0.22
Animal husbandry technical institutions	-0.20	-0.16	0.62	-0.19
Animal husbandry technicians	-0.13	0.03	0.69	0.10
Total population	-0.47	0.00	-0.04	-0.10
Consumption level of residents	-0.15	0.59	-0.04	-0.62
Sheep stud farms	0.32	0.43	0.15	0.24
Large-scale sheep farms	-0.42	0.15	-0.30	0.04
Output value of animal husbandry	-0.45	0.20	0.06	0.01
Fixed asset investment in agriculture, forestry, animal husbandry, and fishery	-0.40	0.13	-0.04	0.68