Answer to Question 1
Ear and fur mites, lice, cat fleas, Cuterebra larva, maggots, pinworms. (Ringworm not acceptable; it is not a parasite, but a fungal infection.)
Answer to Question 2
Ova (eggs) are not released from the ovary until the doe has been stimulated (induced) by being mated. Mating induces the eggs to be released.