Table 3.

Production of hybrid animals at the CNPRC over two decades (data includes 762 animals with complete genotype information only). Shaded boxes indicate the year an animal was acquired or a particular hybrid class was produced in the colony. N is number of animals.

YEAR	<1980		1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
Full Indian	1	2	2			1		1	3	1	1	1	8	3	1	1
1/8 Chinese														6	4	17	11	24	30	23	36	38	47
1/4 Chinese										5	6	8	3	13	17	12	12	27	28	16	21	27	18
3/8 Chinese														2	2	1	3	7	10	7	12	17	8
1/2 Chinese							3		2	3	10	15	11	11	12	7	10	5	11	10	11	11	8
5/8 Chinese																		1	1	1	1	8	6
3/4 Chinese														3	5	5	12	5	4	2	2	3	10
Full Chinese									2	6								1
TOTAL(N = 762)	1	2	2	0	0	1	3	1	7	15	17	24	22	38	41	43	48	70	84	59	83	104	97