The invention relates to a method to manufacture meat-based matrices and the matrices obtained thereof useful as bait for ant control. The method of the invention comprises (a) cleaning and mincing or slicing meat； (b) cooking the meat； (c) dewatering the meat； (d) grinding and sifting the meat to obtain meat particles； and (e) adding sugar and a preservative. Additionally, a nitrate source and an active ingredient can be incorporated into the matrices.
