Chorulon® 1500 iu, Powder and solvent for solution for injection

Hormone

CattleDogEquine

The active ingredient of Chorulon, human Chorionic Gonadotrophin (hCG), is a complex glycoprotein with luteinising hormone (LH) activity. In the female hCG can be used to promote maturation of the follicle, ovulation and the formation of the corpus luteum. In the male hCG stimulates the production of testosterone, and thus influences the development and maintenance of primary and secondary male sex characteristics.

Chorulon® 1500 iu, Powder and solvent for solution for injection veterinary product by MSD Animal Health

Presentation

Powder: White to off-white.
Solvent: Clear, colourless solution.

Active ingredients

Each vial of powder contains chorionic gonadotrophin 1500 iu.

Target species

Horses, cattle, dogs

Indications for use

The product can be used in the following fertility problems in domestic animals:

  • Cases of repeated failure of conception in cows and heifers
  • Induction of ovulation in mares and bitches
  • Cases of cystic ovaries in cows and heifers
  • Anoestrus in mares and bitches
  • Delayed ovulation, prolonged pro-oestrus in bitches
  • Deficiency in libido in male dogs

Withdrawal periods

  • Cattle – milk zero hours, meat and offal zero days
  • Horses – meat and offal zero days

Packaging

Packs containing 5 vials supplied with solvent (each containing 5 ml)

Legal category

POM-V

Product images are representations of packaging and may not accurately reflect the current packaging available in the GB marketplace.

Date of preparation: March 2026

Further information is available from the SPC, datasheet or package leaflet. 
Advice should be sought from the medicine prescriber. 
Prescription decisions are for the person issuing the prescription alone. 
Use Medicines Responsibly.