“…The prevention and control of cat fleas have been the subject of many reviews and commentaries [ 3 , 4 , 6 , 8 , 9 , 10 , 11 , 207 , 208 , 209 , 210 ]. There have been a number of reviews of the new active ingredients and products used to control C. felis since 1997 [ 3 , 145 , 146 , 210 , 211 , 212 , 213 , 214 , 215 , 216 , 217 , 218 ].…”