A description is given of a composition for rodenticide bait, in solid form or similar to paste, comprising - at least one palatable ingredient, in powder and/or grain, conventionally used in rodenticide baits, preferably comprising cereals - one or more rodenticide poisons and, in a mixture with the other ingredients, - a binder chosen from among polylactic acid and its derivatives, polycaprolactone (PCL), polycaprolactone substitute and its derivatives, or combinations thereof
