amounts of the attractants listed above in a solid roach bait a carrier such as ground up bread crumbs corn cereal or other types of grain is used for impregnating or coating the intimate active toxicant and attractant mixture the carrier provides a means to grind up the roach bait to an optimum particle size so that the roach can easily bring the bait back to the rest of the roach colony for a liquid roach bait an absorbent material such as a sponge cotton ball cotton swab absorbent paper tissue or any absorbent wick or material will be acceptable gels or jelly roach baits because they can be readily removed in any size by roaches chewing on it are ideal for roaches to break up and bring back to the roach colony antioxidants are necessary to extend shelf life of the packaged roach bait they also prevent rancidity due to oxidation of the attractant in the roach bait when it is applied in the home its presence in the roach bait is particularly important when used out doors in sewers garbage trash garden open field or any outside environment due to rain and moisture most antioxidants such as butylated hydroxy anisole and butylated hydroxy toluene bha and bht are repulsive to roaches in higher concentration levels in the roach bait a small concentration level of bha bht is formulated in.