Noun
inbreeding depression (plural inbreeding depressions)
(biology) The reduced biological fitness in a given population as a result of inbreeding.
A study of 16 species of captive ungulates revealed that juvenile survival of inbred young is generally lower than that of non-inbred young. citation (Also see Inbreeding depression ). Source: Internet
Inbreeding depression Factors influencing the litter size of puppies and the proportion of stillborn puppies per litter were analyzed in normally sized German dachshunds. citation The records analyzed contained data on 42,855 litters. Source: Internet
Inbreeding depression can also occur in a large population if individuals tend to mate with their relatives, instead of mating randomly. Source: Internet