id	keyword
ct-11223	vaccine
ct-11223	gnrh
ct-11223	cats
ct-11223	dogs
ct-11223	sterilization
ct-11223	wildlife
ct-11223	species
ct-11223	population
ct-11223	contraception
ct-11223	effects
ct-11223	methods
ct-11223	use
ct-11223	animals
ct-11223	hormone
ct-11223	horses
ct-11223	zona
ct-11223	vaccination