FSpeed is a program for calculating Wright's coefficient of inbreeding very quickly.
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FSpeed is a Windows program for calculating Wright's coefficient of inbreeding very, very quickly. Windows program for rapidly computing the inbreeding of all individuals in a breeding population. FSpeed Pro to calculate the inbreeding coefficient to 16 generations for every dog in a database of Dalmatians - some 72,500 dogs - and it took just 2 minutes 44 seconds for the entire database. This was a database of most UK registered Dalmatians dating back over 100 years, a relatively closed population with extensive inbreeding typical of a pedigreed population. Inbreeding occurs when an individual has one or more common ancestors. A common ancestor is one that is present on both sides of the pedigree.

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