@incollection{:/content/chapter/10.22233/9781910443330.ch04, author = "MacFarlaine, Ian and Gibson, Andy", title = "Concepts in free-roaming population control", booktitle = "BSAVA Manual of Canine and Feline Shelter Medicine", publisher = "British Small Animal Veterinary Association", year = "2018", pages = "41-54", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781910443330.ch04" }