Available -

2ml, 10ml

Estrumate is a hormonal preparation for the control of Oestrus and treatment of specific reproductive disorders in cattle and horses. It is a clear, colourless, aqueous sterile solution.


Each 1ml of Estrumate contains 263 mcg Cloprostenol sodium (BP Vet) which is equivalent to 250mcg Cloprostenol.

Dosage and administration

  • Cattle – 2ml
  • Ponies and Donkeys – 0.5ml to 1.0ml
  • Thorough breeds, hunters and heavy horses – 1 to 2.0ml

Administer by intramuscular injection observing normal aseptic precautions.


  • Do not administer to pregnant animals unless the objective is to terminate the pregnancy.
  • Do not use in horses intended for human consumption.
  • Women of child bearing age, asthmatics and persons with bronchial or other respiratory problems should avoid any contact with Estrumate.


Estrumate contains Cloprostenol, a Prostaglandin analogue which is a highly potent luteolytic agent of exceptionally low toxicity.

In cattle, it is indicated fo the treatment of:

  • Sub-oestrous
  • Induction of parturition
  • Termination of normal and abnormal pregnancy
  • Treatmet of ovarian internal cysts
  • Treatment of chronic endometritis

In mares, it is indicated for:

  • Termination of persistent diestrous
  • Pseudo-pregnancy
  • Lactation
  • Establishing oestrus cycles
  • Planning oestrus in broad mares as an aid to stud management.

Note: There is a refractory period of 4 to 5 days after ovulation when cattle and horses are insensitive to the luteolytic effect of Prostagladins.


  • Meat withdrawal in cattle – 4 days