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.
As you already know, there are several options for surgical repair of ACL tears in dogs. Some of the more traditional dog ACL surgery cost run between $1200 to $2500 per surgery. At the end of the day you need to take all of this factors into account when deciding which is the best option for both you and your dog.