Products Used to Enhance Reproductive Performance of Livestock

Most of these drugs are not approved for use in sheep and goats.  The mention of non-approved products is for informational purposes only. Drugs used to enhance reproductive performance in sheep and goats do not qualify for extra-label drug use.

Trade Name Drug Ingredient Approved Species Labeled Use Labeled Dosage Withdrawal Time
Eazi-Breed™ CIDR© Insert for sheep and goats Pregesterone Sheep and goats
Not approved in U.S.
Synchronizing estus
Inducing estrus in non-cycling females
Administer CIDR insert
for 12 to 14 days
P.G. 600® Chorionic Gonadotropin
Serum Gonadotropin
Swine Induction of fertile estrus (heat) in healthy prepuberal (non-cycling) gilts 5 ml SQ
Lutalyse® Sterile Solution
Dinoprost Tromethamine
Cattle
Horses
Swine
To control timing of estrus and ovulation in estrous cycling cattle that have a corpus luteum.
Terminates pregnancy
5 ml IM twice at 10 to 12 day interval
MGA® Melengestrol acetate Feed lot cattle For increased rate of weight gain, improved feed efficiency, and suppression of estrus. 0.25 to 0.5 mg/head/day Cattle: 0 days slaughter
Oxytocin
Injectable
oxytocin Cattle
Swine
Horses
Sheep
Obstetrical
Uterine contractor
1.5 to 2.5 ml per ewe
repeat as necessary
Super-Ov®
Follicle stimulating hormone Cattle For induction or superovulation in cows 12.5 units twice per day for 3 days Cattle: 0 days slaughter
Synchro-Mate®

Flurogestone acetate-impregnated vaginal sponge
Sheep, excluding ewes never lambed For synchronizing estrus/ovulation in cycling adult ewes during their normal breeding season.
insert sponge into ewe's vagina 13 days before desired start of breeding.
Sheep: 30 days slaughter


Syncro-Mate-B®

Norgestomet
Estradiol Valerate
Cattle For synchronization of estrus/ovulation in cycling beef cattle and non-lactating dairy heifers.
Remove implant after day 10


Source:  Product labels and FDA Approved Animal Drug Products Online Database System @ http://dil.vetmed.vt.edu

Last Updated 13-Aug-2006 by Susan Schoenian.

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