Linked from
The 20 pages that link to Inbreeding, each with the reason it gives.
Cat breedRelated: Limited pedigreed populations can make close-relative mating more likely.
HomozygousRelated: Related parents are more likely to carry the same ancestral allele.
MatingRelated: Mating among relatives can affect genetic diversity and offspring health.
PurebredRelated: Restricted mating pools can increase relatedness among purebred animals.
Panthera hybridRelated: Small captive breeding pools can compound health risks in hybrid lineages.