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.
Changing your dogâs food to a high fiber diet will also help your dogâs condition and overall health. These special dog foods sell for $35 to $40 per 30lb bag. These options will not cure your dogâs perineal hernia, but rather relieve the strain and discomfort your dog is feeling. Surgery is usually the only option to cure a perineal hernia.