Altrenogest, marketed for use in horses as Regumate, is a synthetic progestin that is marketed for use in pigs as MATRIX. It effectively regulates the occurrence of estrus in randomly cycling gilts if it is provided for 14 or more days at a daily dose of 15 mg/day. It is important to assure that each gilt receives her full dose; otherwise problems of cystic follicles and reduced fertility may be ...
I have been using Regumate for our Piggery operation for five months now. I have experience lower than 80% in-heat gilts 4 to 10 days after the last day of treatment. What do I do to increase the number of gilt coming to heat?
Good article about regumate for pigs. I understand that it is for 18 days at 10 mg per day you put all your gilts on it that you want to breed with and when day 18 comes along you stop giving it to them and introduce a boar and then when they begin to cycle AI them all. They should farrow on the same day.