Adults Sterile Males Foals Year Location Date Treatment 232 0 28 1986 F 08-jun 0 172 0 18 1986 F 17-jul 0 136 0 16 1986 F 13-ago 0 127 0 20 1986 B 14-jun 0 118 0 20 1986 B 18-jul 0 115 0 20 1986 B 14-ago 0 226 0 39 1987 F 09-may 0 197 0 34 1987 F 03-jun 0 143 0 26 1987 F 17-jun 0 159 0 17 1987 B 10-may 0 139 0 22 1987 B 04-jun 0 169 0 28 1987 B 18-jun 0 173 0 32 1987 B 17-jul 0 243 0 28 1988 F 05-may 0 240 0 27 1988 F 19-may 0 180 0 24 1988 F 16-jun 0 192 0 27 1988 B 09-may 0 170 0 27 1988 B 20-jun 0 178 0 37 1988 B 20-jul 0 52 9 7 1986 F 08-jun 1 36 5 3 1986 F 17-jul 1 25 5 6 1986 F 13-ago 1 69 13 17 1986 B 14-jun 1 65 10 14 1986 B 18-jul 1 60 12 14 1986 B 14-ago 1 35 7 1 1987 F 09-may 1 31 3 1 1987 F 03-jun 1 63 9 2 1987 F 17-jun 1 53 8 7 1987 B 10-may 1 57 9 6 1987 B 04-jun 1 40 7 1 1987 B 18-jun 1 36 8 3 1987 B 17-jul 1 30 5 1 1988 F 05-may 1 36 5 1 1988 F 19-may 1 65 5 2 1988 F 16-jun 1 44 8 2 1988 B 09-may 1 45 8 2 1988 B 20-jun 1 38 8 5 1988 B 20-jul 1