The average spay or neuter vet surgery is $110 to $175. This increases with larger dogs. The more a dog weighs, the higher the price. One clinic charges $213 for a 50-pound dog surgery spay and $169 for a 50-pound male dog. If the female is in heat, the cost increases more.
They are usually spread like this: 1  A child swallows pinworm eggs, and they travel to the child's intestines. 2  In about a month, the eggs hatch into worms. 3  At night the female worms crawl out the rectum and lay eggs around the child's anus. 4  When the worms lay eggs, it can cause itching.
Threadworm eggs can survive for up to two weeks before hatching. If the eggs hatch around the anus, the newborn worms can re-enter the bowel. Eggs that have been swallowed will hatch inside the intestine.After two weeks, the worms reach adult size and begin to reproduce, starting the cycle again.hreadworm eggs can survive for up to two weeks before hatching. If the eggs hatch around the anus, the newborn worms can re-enter the bowel. Eggs that have been swallowed will hatch inside the intestine.