Virbagest
Active substance
ATC code
Species
Pigs (nulliparous mature sows).
Indications
For the synchronisation of oestrus in nulliparous mature sows.
Dose to be administered and administration route
For oral use as a top-dressing.
20 mg altrenogest per animal and per day, for 18 consecutive days, corresponding to 5 ml of the product per day and per animal for 18 consecutive days given orally with feed for immediate consumption.
The volume to be administered should be measured with an appropriate dosing device.
Administration:
Animals should be segregated and dosed individually. Add the product as a top dressing to the feed immediately before feeding. Part-consumed feed must be disposed of with other waste feed and not given to other animals.
The synchronisation of oestrus should be supervised by a veterinarian. Nulliparous mature sows should be segregated not later than 7 days before treatment. During treatment animals should not change the room.
A complete up-take of the medicated feed should be assured.
Most treated gilts will come into oestrus 5 to 6 days after the 18th consecutive day of treatment.
Adverse reactions
Under dosing can lead to the formation of cystic follicles.