Notice of Hearing on the Application to Use Sodium Fluoroacetate ...

achi2ve mark2d reducxions ii roproaucti./e succ2ss and it was
c~ncluded that better delivory sysTems <strong>of</strong> juch baits were needed.
Xoreover, because stilbes~rol exerts its ;rimary eifecr on the
female coyot3 during a relatively short period <strong>of</strong> cine, deveio?ment
<strong>of</strong> other anti fzrti 1 i ~y agents was r~ccmenaed. ,Nr. Conno1 1 y
(finding 133) t2stified thar becausz <strong>of</strong> these and other ?rob1 ens,
studi2s af .anzifertil i ty agents by the FdS haqde been tzninatsc!.
Dr. Noman L. Ga~zs, !/eterinarian and Assistant Dean <strong>of</strong> Vexzrinary
Xedi ci ne at Washington State Universi ty , a wi tnesi fcr 'Xycmi ng , i ~c 31 .
and formerly a rzs2areh veterinarian at tne USCA Sheq Experimen;
Station, Ou~ois, Idaho ~2stifizd that ~ s t on s ;he conzroi <strong>of</strong> CG:JGC~S
by use <strong>of</strong> r2?rsductive inhi bicors +ad nor be$n succ2ssful and had
been discontinued by USDA. There is no other 2vicence in the
record as to che efiecti veness <strong>of</strong> reproductive i nhi bi tors i n reduci ng
predation.
142. Mr. Connolly testified that the use <strong>of</strong> repellants as a ceans <strong>of</strong>
det3rri ng coyot2 actacks on 1 ivestock have not keen develo~ed to
the point <strong>of</strong> practical field application. Dr. Gates (finding 141)
stated that evaluation <strong>of</strong> all chemical; claimed to have repellant
properties as to coyotes, e.g., plictran, crude extract <strong>of</strong> bitter
sneezeweed, extract <strong>of</strong> red pepper and decenovonillylamide resulted