http://www.czerwonytrop.com/inb/index.p ... =ok&lng=en
You can calculate this over several generations. The best would be 10 generations (or more) but with the Tamaskan that will be difficult so I suggest trying 5 generations.
Blustag Little Sunshine (Summer) x Apache HorseThe Wright’s Inbreeding Coefficient (IC) and the Ancestor Loss Coefficient (AVK) the values are optimally IC=0 and AVK=100. A general first rule is: IC should be under 3% in a considered mating; AVK should be over 85%. A little over half of all hereditary defects are caused by hidden (recessive) genes. For the continued health of a breed it is therefore terribly important to consider in each breeding the degree of relationship represented by Relationship Coefficient (RC) in the parent dogs in order to avoid doubling up on possible defects in the alleles. The Mean Kinship Coefficient (MK) is a supplementary and it indicates in defined population the individual with the lowest MK. Individual with the lowest MK coefficient is the most genetically valuable for breeding program.
Inbreeding coefficient IC (other abbreviation used in literature: WIC, IK, COI, FX, F ) can theoretically range from 0 to 100%, and shows the degree of relationship between the perspective parent dogs and indicates the possibility that two alleles of a gene are completely alike with another dog in the pedigree, i.e. they originate from the doubling of an allele in one of the ancestors. The primary consequence of inbreeding is to increase homozygosity. The inbreeding coefficient is a function of the number and location of the common ancestors in a pedigree. According to the experts is also recommended that an individual’s IC should not exceed 6% counted from the 5 generation pedigree, which is about the same as breeding among cousins, and 9% counted from the 10 generations pedigree.
FCI recommendation for rare breeds is that IC should not exceed 10%.
AVK (ancestor loss coefficient: 88.7%
Blustag Bindaree (Nevada) x Blustag Little Bear (Skye)
AVK (ancestor loss coefficient: 85.5%
Both are calculated over 5 generations.