A Comparison of Genetic Diversity of COX-III Gene in Lowland Chickens and Tibetan Chickens

Table 8

Patterns of haplotype distribution in COX-III gene.

Haplotype	Number of Tibetan chickens	Number of lowland chickens	value	OR	95% CIs
Ha1	49	81	0.00035	0.484	0.32515–0.72169
Ha2	54	2		30.375	7.332–125.837
Ha3	15	0	0.00006	—	—
Ha4	1	0	1.000	—	—
Ha5	21	50	0.00008	0.349	0.20373–0.59712
Ha6	12	9	0.66178	1.257	0.52175–3.030
Ha7	1	0	1.000	—	—
Ha8	1	0	1.000	—	—
Ha9	0	1	0.483	—	—
Ha10	1	0	1.000	—	—
Ha11	0	1	0.483	—	—
Ha12	0	1	0.483	—	—
Total	155	145

Note: OR: odds ratio. OR < 1 mean haplotype may be negatively associated with high-altitude adaptation; OR = 1 mean haplotype is not associated with high-altitude adaptation; OR > 1, haplotype may be surely associated with high-altitude adaptation. CIs: confidence intervals; meant significant difference between lowland chicken and Tibetan chicken breeds.