TABLE 4.

Results of Nt test on pups (group B) inoculated with CPV2b vaccine

Pup no.	Antibody titer
	CPV2	CPV2b
19	1,280	640
20	640	640
21	640	640
22	1,280	1,280
23	1,280	640
24	5,120	2,560
25	640	2,560
26	1,280	1,280
27	2,560	640
28	2,560	640
29	640	1,280
30	640	1,280
31	640	1,280
32	640	1,280
33	640	2,560
34	320	1,280
35	640	1,280
36	640	1,280
Mean	940	1,138