Table 2. Diplotype frequencies for two PRNP indel polymorphisms in JB and JBr breeds.

Diplotype	JB	JBr	Total
23 bp/12 bp	n = 120 (%)	n = 98 (%)	n = 218 (%)
++/++	6 ( 5.00)	16 (16.33)	22 (10.09)
++/+−	0 ( 0.00)	3 ( 3.06)	3 ( 1.38)
++/−−	4 ( 3.33)	0 ( 0.00)	4 ( 1.83)
+−/++	12 (10.00)	7 ( 7.14)	19 ( 8.72)
+−/+ −	21 (17.50)	38 (38.78)	59 (27.06)
+−/−−	3 ( 2.50)	4 ( 4.08)	7 ( 3.21)
−−/+ +	10 ( 8.33)	0 ( 0.00)	10 ( 4.59)
− −/+ −	24 (20.00)	5 ( 5.10)	29 (13.30)
− −/− −	40 (33.33)	25 (25.51)	65 (29.82)

n: sample size; (%): percentage of a diplotype; JB: Japanese Black cattle; JBr: Japanese Brown cattle.