What was JJ Thomson Atomic theory? Joseph John Thomson discovered the electron in 1897. In 1904,  Thomson suggested a model of the atom as a sphere of positive  matter in which these electrons are positioned â¦by electrostatic  forces.
Cost of Perineal Hernia in Dogs. Stool softeners for dogs are usually $15 for 40 soft chews. Consult your veterinarian before trying human stool softeners on your dog. Enemas ($4 for a 4 pack) are another option.
1 On average, typical hernia surgery can cost anywhere from $4,900 to as much as $15,500, depending on the type of hernia surgery that has to be done.2  According to a study done in 2007, the average price for hernia repair was, $8,197. On average, typical hernia surgery can cost anywhere from $4,900 to as much as $15,500, depending on the type of hernia surgery that has to be done.