In kitties, mast cell tumors are most often seen in the skin of the head or neck, but they can occur anywhere in the body. Cats with these tumors are usually middle age or older (4-plus years of age), but any cat can develop a mast cell tumor, including kittens.
Body lice can live anywhere there is hair on the body. Body lice are much hardier than other types of lice and can live up to 10 days without a human host. On a human host they can survive for up to three weeks, laying up to 88 eggs during their lifetime on their host.ithout a human hosts, most lice will only live for a maximum of 48 hours. This is why sealing clothes and toys after infection in a plastic bag is a great way to get rid of lice. Lice on a human host can survive two or three weeks. However, living lice lay eggs.
Pets can be a carrier for the lice but the lice cannot survive long on an animal. Reproduction. Females lay up to 400 eggs in their lifespan, which is spaced out to about eight eggs per day. These eggs hatch in one to two weeks. Life Cycle. Head lice begin as empty eggs called nits. They attach themselves near the root of the hair with a substance that is like glue and cannot be simply washed away. When the eggs hatch, the nymphs feed on blood from the scalp. Life Span. Nits, or lice eggs, can live for up to 10 days but will need to feed on human blood after hatching. Adult lice can live for up to one month on the head of a human but die within two to three days without body contact. The total life span of lice is 40 to 50 days, if you include the complete life cycle: egg, nymph and adult. Fun Fact