Table 3.

Presuckle and 24 h after suckle antivenom antibody titers in foals born to vaccinated mares^a

Horse	No. of vaccines given to mare prior to parturition	Mare's titer at parturition	Foal's presuckle titer	Foal's 24-h postsuckle titer
28	3	120	95	125
30	2	375	105	280
31	3	200	110	185
32	2	125	75	175
35	1	100	80	95
36	1	125	90	140
37	1	195	90	115
39	2	125	105	105

^aGray boxes indicate mare with positive titer at parturition.