Chronogest CR
Active substance
ATC code
Species
Sheep (ewe and ewe lamb).
Indications
In ewes and ewe lambs, in combination with PMSG (Pregnant Mare Serum
Gonadotropin)
- Induction and synchronization of oestrus and ovulation (non cycling ewes during
seasonal anoestrus and ewe lambs).
- Synchronization of oestrus and ovulation (cycling ewes and ewe-lambs).
Dose to be administered and administration route
The dose is one sponge per animal irrespective of body weight, breed, type (dairy or meat) and season.
The sponge is inserted intra-vaginally using an applicator.
Duration of sponge residence is 14 days. At the end of the administration period, the sponge is gently removed by pulling on its string.
To obtain an optimal synchronization of ovulation, an intra-muscular injection of PMSG (range 300-700 IU) is recommended (i.m.) at the time of sponge removal.
In case fixed time artificial insemination is applied, it is recommended to perform it 55 h after sponge removal.
Adverse reactions
Sheep (ewe and ewe lamb).
|
Very rare (<1 animal / 10,000 animals treated, including isolated reports): |
Vaginal discharge1 |
1 muco-purulent discharge may be observed at sponge removal. It is not associated with clinical signs and does not alter fertility.
Reporting adverse events is important. It allows continuous safety monitoring of a veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to either the marketing authorisation holder or its local representative or the national competent authority via the national reporting system. See also section “Contact details” of the package leaflet
