Jr. Newcombe et Mc. Wilson, THE USE OF PROGESTERONE RELEASING INTRAVAGINAL DEVICES TO INDUCE ESTRUS AND OVULATION IN ANESTROUS STANDARD-BRED MARES IN AUSTRALIA, Equine practice, 19(6), 1997, pp. 13-21
This study investigates the effect of progesterone impregnated plastic
devices designed for intravaginal use in cattle, upon the induction o
f normal cyclicity and the subsequent pregnancy rate in anestrous mare
s. The study was carried out on a single Standardbred stud farm in sou
theastern Queensland, Australia.