Calson wants to shoot Candy's old dog is because Carlson doesn't like the stench of Candy's dog.
It will die.
Carlson killed Candy's dog by shooting him in the back of the head to put him out of his misery. Candy's dog was old and suffering, and Carlson believed it was the most humane thing to do.
In Chapter 3 of "Of Mice and Men," Candy's dog is shot and killed by Carlson. Candy is deeply upset by the loss of his beloved companion but ultimately agrees to let Carlson put the dog out of its misery due to its old age and failing health. This event foreshadows Lennie's fate at the end of the novella.
Carlson shoots Candy's dog because the dog is old, sick, and suffering. Carlson believes that it would be more humane to put the dog out of its misery rather than let it continue to suffer. Candy is hesitant to do it himself, so Carlson takes it upon himself to shoot the dog.
Carlson's problem is that he dislikes Candy's old and smelly dog, claiming it is of no use since it is old and sick. He tells Candy that he should put the dog out of its misery by shooting it.
Carlson says that Candy's dog is old, blind, and smells horrible. He says the dog should be put out of its misery. Candy reluctantly agrees.
Carlson describes Candy's dog as "smelly," "old," "crippled," and "useless." He argues that the dog's suffering is a cruelty and suggests that it would be a kindness to put the dog out of its misery.
He had the dog since he was puppy
Carlson says that Candy's dog is old, stinking, and no longer useful on the ranch. He convinces Candy to let him shoot the dog to put it out of its misery, as it is suffering. This event foreshadows the theme of the weak being marginalized in society.
They both are old and worthless.
They are both old