}, } }, "name": "Philip III of Spain" } The Wright’s Inbreeding Coefficient (IC) and the Ancestor Loss Coefficient (AVK) the values are optimally IC=0 and AVK=100. "d": { }, "name": "F" "name": "STEVWARD", }, "d": { "d": { "name": "MY CHARMER", "name": "PHAROS" "name": "B" "d": { }, "s": { "d": { "d": { "s": { }, "name": "Manuel I of Portugal" "name": "Anna of Bohemia and Hungary" "name": "NOBLE LASSIE", }, "d": { "name": "NEARCO" "d": { }, Generations. "d": { }, "name": "Cleopatra I" } "name": "Berenice I" "s": { "name": "Charles II, Archduke of Austria", "d": { When puppies’ parents have closely related genetics, the puppies may suffer from inbreeding } "s": { "name": "SWAPS" }, "s": { }, "d": { "name": "Cleopatra I", "d": { }, "name": "TERLINGUA", "d": { }, }, "s": { "d": { "d": { "s": { "s": { }, }, }, I haven't been able to find a calculator that does in for AKC dogs. } "d": { "name": "Ferdinand I, Holy Roman Emperor" "name": "NATIVE DANCER", "name": "Berenice I" "name": "POLYNESIAN" "name": "Charles V, Holy Roman Emperor" "name": "G", } "name": "SHINING SUN", }, }, } "name": "NOGARA" "d": { "name": "GOLDEN APPLE", "d": { }, "name": "E", "d": { "d": { } "d": { "d": { "s": { } "name": "Anna of Bohemia and Hungary" "name": "POLYNESIAN" }, Press the “Calculate Inbreeding” button. When comparing mixed versus purebred dogs, however, mixed breed dogs lived about 1.2 years longer on average than size-matched purebred dogs. } "name": "Ptolemy IV" "name": "NIJINSKY", }, "name": "J", "name": "A" }, "s": { }, "d": { "name": "Berenice I" }, "d": { }, "name": "SEKHMET" This tool allows you to calculate the inbreeding coefficient of a pedigree. "d": { "name": "Maximilian II, Holy Roman Emperor" }, "d": { "name": "Christian II of Denmark" Pro Sign Up. "name": "OLYMPIA LOU" } }, "name": "Arsinoe I" "d": { "d": { "name": "MY DEAR GIRL", }, }, "name": "BANQUET BELL" "s": { "s": { "d": { }, } "s": { "name": "Ptolemy III" "name": "POCAHONTAS", "name": "HYPERION" "name": "KNIGHTS DAUGHTER" }, "name": "REIGH COUNT" "s": { "name": "PHAROS" "d": { "name": "HAIL TO REASON" "name": "NEARCO", }, "name": "NEARCO" "s": { Search for a dog. } "d": { "d": { "name": "HELIOPOLIS" } }, }, "name": "Berenice I" } "d": { "name": "Ptolemy I" "d": { } }, "name": "MENOW" Guy Labbe, DVM to support breeders when selecting potential mating partners. "name": "SOMETHINGROYAL", "d": { "s": { } "name": "UNBREAKABLE" "s": { "name": "Cleopatra I" "d": { }, "d": { "name": "BOLD RULER", } "d": { "s": { "name": "Isabella I of Castile" }, }, "name": "Joanna of Castile" "name": "NEARCO" } "name": "PRINCE ROSE" }, "name": "SOLARIO" "s": { "s": { }, "d": { "s": { "name": "Anna of Bohemia and Hungary" "name": "HAPPY GO FLEET" "d": { "name": "Isabella I of Castile" In particular, it can cause the rapid build up of disease genes in a population. In most populations, two individuals picked at random would likely have a RC of 0, a brother and sister 50% and identical twins 100%. }, "d": { } "name": "Ferdinand I, Holy Roman Emperor" "s": { "name": "Ptolemy V", }, "name": "Ptolemy IV" "d": { "s": { Enter the registered name, registered number or stud book number of the dog you want to look up. } "d": { "name": "CHAMOSSAIRE", } "name": "Philip IV of Spain", }, "s": { "name": "B" "name": "E" } }, Inbreeding Calculator by Sam Kauffman Instructions. } "name": "SUBTERRANEAN", "name": "Philip I of Castile" } "name": "BOLD RULER", "d": { "name": "DISCOVERY" "s": { "d": { "d": { 1551)", "name": "Charles V, Holy Roman Emperor", "d": { "name": "BRAVURA" }, } "d": { }, }, } "d": { "d": { In general terms, inbreeding is where the sire and dam have ancestors in common. }, "name": "BLENHEIM" }, "d": { "name": "NOGARA" "name": "A" }, "s": { "name": "BOLERO" "s": { "s": { "s": { }, "name": "FIRST ROSE" "name": "Philip I of Castile" } } "s": { "name": "SWAPS", "s": { }, "name": "NOGARA" }, "name": "MISS DOGWOOD", "s": { } "name": "H" "d": { }, "s": { }, } "d": { }, }, "d": { "d": { "name": "Ptolemy I" "s": { "), Why inbreeding really isn't as bad as you think it is, Coefficients of Inbreeding and Relationship, Genetic and Quantitative Aspects of Genealogy, Pair of 2G-grandparents = 3G-grandparents, Self-fertilization, clones, or identical twins*. "s": { "name": "MISS DOGWOOD", "d": { "name": "I", Insert ancestor names in the pedigree form below, then press the "Calculate" button to get the inbreeding coefficient and breakdown. "name": "MYRTLEWOOD" "name": "COSQUILLA" "s": { "name": "REIGH COUNT" }, Why all the fuss about inbreeding? }, "s": { A general first rule is: IC should be under 3% in a considered mating; AVK should be over 85%. "s": { } } "d": { } }, }, }, "s": { "d": { "name": "Ptolemy II" } }, "name": "PRINCE CHEVALIER" "s": { }, "name": "OLYMPIA", "d": { } Input the last mating date: (mm/dd/yyyy) Estimated Whelping Date. }, }, }, }, "d": { "s": { } "d": { } }, "name": "Berenice I" "d": { "s": { "d": { 1528)" } "name": "BUSANDA" "name": "TROJAN LASS" "s": { } } To prevent data loss, sign-up for a Pro membership before you enter any data. "name": "WHAT A PLEASURE", }, "d": { "name": "NEARCTIC", "name": "Ferdinand I, Holy Roman Emperor" Calculation of inbreeding by hand is laborious and full of risks for error, especially when pedigrees are complex and calculation is over many generations. }, } "d": { "s": { "name": "B" "name": "D", } "s": { } }, "name": "LADY GLORY", }, } "name": "NEARCO" "d": { "name": "Philip I of Castile" }, } "name": "SEQUENCE", "name": "Philip I of Castile" "name": "F" "d": { "name": "PRINCEQUILLO", "name": "OLYMPIA", }, { "d": { "s": { }, "s": { }, So a dog might be your pup's sire and the dam's grand sire. }, } "name": "Anna of Bohemia and Hungary" "name": "TELERAN" } "name": "PRINCEQUILLO", "s": { "d": { "d": { "d": { "d": { "d": { }, "s": { } "s": { "d": { "s": { }, "s": { "name": "JET PILOT" "d": { "s": { "s": { "name": "POLYNESIAN", "d": { "name": "NASRULLAH", } "name": "Berenice II" } "name": "SOMETHINGROYAL", Inbreeding Coefficient Download. "name": "POLYNESIAN", "name": "Aahmes-Nefertari", "s": { "d": { }, This tool allows you to calculate the inbreeding coefficient of a pedigree. }, "s": { }, "name": "Ptolemy III" "d": { }, "name": "Aahmes" } "d": { "s": { }, "name": "Ptolemy II" "s": { "d": { T H E O R Y. Genetics coefficients: IC, AVK , RC, MK evaluations should be important and valuable to a responsible breeder. "s": { "s": { }, } }, "s": { } "name": "SWEETHEART" "s": { "s": { "d": { When animal X is inbred 3,125 %, than it means that 3,125 % more of its pairs are homozygotic, than in case of animals that are not inbred. "name": "Albert V, Duke of Bavaria" "name": "QUEEN ZETTA", "s": { }, }, "d": { }, "name": "Ptolemy IV" "name": "GEISHA" "s": { }, }, "d": { }, "name": "Berenice II" "s": { "s": { "name": "DOG BLESSED" "name": "DANCE NUMBER" }, "s": { Just select Inbreeding Table from the View list (above the animal table). }, } "s": { "d": { "name": "Berenice II" "d": { } } "name": "O", I like it better when the closely inbred dog ( in this case Orry ) is not in both paternal lines or maternal lines. "s": { "name": "Berenice II" }, }, } }, "name": "E", Inbreeding Coefficient: is expressed as a percentage value. "name": "Philip I of Castile" "name": "LADY ANGELA", "s": { }, "d": { "name": "ASPIDISTRA" The AVK for n-generation family tree is calculated by the number of actual (independent - unrepeatable) ancestors, and the total number of possible ancestors. "d": { }, "d": { "name": "Cleopatra I" "s": { "name": "BLUE BANNER", "d": { Blank fields will be ignored. }, }, "s": { }, "name": "Arsinoe I" "name": "TEDDY" "name": "Berenice I" Before planning a litter, you can check which would be the genetic line and the percentage of inbreeding coefficient resulting from the matting of these 2 animals. "s": { "name": "BOLD RULER", }, }, "name": "Ptolemy IV" "name": "NOGARA" "name": "Berenice I" "s": { "name": "Ferdinand I, Holy Roman Emperor" }, "s": { "s": { }, "name": "MISS DISCO" "name": "COSQUILLA" } "name": "J", "d": { "name": "Ferdinand I, Holy Roman Emperor" "s": { "name": "PERFUME" }, "d": { "name": "B" "d": { Recently, inbreeding has become synonymous with severe health issues in many purebred dog breeds. }, }, "d": { } "s": { "s": { "name": "Arsinoe I" "s": { }, "name": "BLUE DELIGHT" "s": { "d": { "d": { "s": { } "name": "NEARCO" "name": "Ptolemy VII", }, }, "name": "MIYAKO" } "s": { "name": "NASHUA" }, }, "name": "Antiochus III of Syria" "s": { "name": "Ptolemy II" "s": { }, "name": "SISTER SARAH" } "s": { A high COI (coefficient of inbreeding) means a close relationship. "d": { "d": { "d": { "d": { }, "name": "Arsinoe I" "name": "BUCKPASSER", "d": { }, "d": { }, "name": "SIRRIMA", "name": "RAISE A NATIVE" "name": "NATIVE DANCER", }, "s": { }, { "d": { "s": { "d": { }, "d": { "s": { "name": "LASSIE DEAR", "name": "PETITIONER", Just select Inbreeding Tablefrom the Viewlist (above the animal table). "d": { }, { "name": "Ptolemy I" "name": "Ptolemy V", }, }, "s": { }, "name": "Berenice I" "name": "Ferdinand I, Holy Roman Emperor" "s": { }, "name": "HONEST PLEASURE", "name": "IN REALITY", }, "name": "Ptolemy XII", }, } "d": { As Willis (1989) states: "When describing inbreeding [or linebreeding] breeders often say their dog is inbred or linebred without further qualification. "name": "Ptolemy I" "name": "Margaret of Austria", }, }, "s": { }, }, }, }, "name": "MAHMOUD" } }, }, "name": "MADEH", "d": { "name": "NEARCO", "d": { "name": "C" } "d": { "s": { "s": { "name": "MISS DOLPHIN" "name": "ATLAS", "d": { Inbreeding Table You can tabulate all the inbreeding calculation details given above directly in the main window, for all animals in your database. }, "d": { } } }, "name": "Ptolemy I" The primary consequence of inbreeding is to increase homozygosity. "s": { "d": { "name": "F" "d": { "name": "LADY ANGELA" "d": { "d": { }, a match of 2 littermates) which themselves come out of 2 non-related parent-dog-bloodlines, we can get an IC nearly 0% (because there are no common ancestors in the sire's/dam's bloodline). "name": "L", }, }, "name": "JUDY-RAE" "s": { "d": { } "name": "COSQUILLA" "s": { "name": "G", }, } } "s": { } "s": { "s": { "d": { "d": { "d": { }, }, } "s": { "s": { "name": "Ptolemy I" } "d": { Dog Whelping Calculator Here is a simple dog whelping calculator to help you earmark the expected delivery date for your bitch. }, }, More than 25% - inbreeding is accumulative, so if it has occurred to a significant degree over several generations, the inbreeding coefficient may exceed 25%. }, "d": { "s": { } } "s": { } "name": "Berenice II" }, "name": "Ptolemy V" "d": { "name": "B" 1528)" Each dog's linebreeding report will be ordered showing all duplicate ancestors in the pedigree that occur through at least 2 distinct lines, the animals that are greater influences in the pedigree will show up in order of importance with the most inbred ancestor showing at the top. "d": { }, "d": { You can use one, too, on your dogs, if you know their pedigree. "s": { "d": { "name": "Arsinoe III" }, "d": { }, }, "s": { } "name": "Ptolemy II" "s": { "s": { "s": { "name": "SOMETHINGROYAL", }, }, "s": { "s": { }, "s": { An “Inbreeding Calculator” was designed by Benoit Bouchard, M.Eng in collaboration with Labgenvet at the Universite de Montreal and Dr. "name": "K", } "name": "Joanna of Castile" } "d": { } "s": { "name": "Cleopatra II" }, "s": { "name": "NEARCTIC", "s": { }, "s": { "name": "Ptolemy V" "s": { "s": { Inbreeding arising from a finite population size: N F 2 1 Δ = 2 1 1 1 2 1 " − # $ % & ’ g = + − F g N N F There is an incremental increase in inbreeding due to finite population size. "d": { "name": "Joanna of Castile" }, "s": { }, "name": "COUNT FLEET", "s": { "name": "Joanna of Castile", "d": { "s": { }, } "d": { } "name": "SIR GAYLORD", "s": { }, Therefore, we generally reserve the term inbreeding for the mating of animals that are more closely related than the "name": "Cleopatra I", "d": { "d": { "name": "Ptolemy II" "s": { 6 "name": "GAMLINGAY", }, Other relationships would fall between 0 and 50%.The formula for the RC is: where ICAB is the inbreeding coefficient of a hypothetical litter between A and B, and ICA and ICB are the inbreeding coefficients for the two individuals, A and B. } } "s": { "d": { 12 The inbreeding on the 2-3 is Orry but there are other dogs inbred into the dog from both parents. } "name": "SUNDAY SUPPER" "s": { "s": { }, "s": { "name": "Berenice II" "s": { "name": "TOUSSAUD", "d": { "name": "LUCKY MEL" } "s": { "name": "MR. TROUBLE", "name": "DR. FAGER", "s": { "d": { "s": { The 2-3 on Orry is in the paternal side of the pedigree the sire and the maternal side for the dam which makes a difference. }, }, } }, "d": { "s": { }, "d": { "d": { "d": { }, "d": { }, "name": "Philip I of Castile" "d": { "name": "Ptolemy I" }, } "s": { }, }, "d": { "name": "NEARCO" }, The Wright’s Inbreeding Coefficient (IC) and the Ancestor Loss Coefficient (AVK) the values are optimally IC=0 and AVK=100. "name": "K" "name": "NEARCO", }, "s": { "s": { "s": { }, "name": "CASE ACE", }, }, } "s": { }, "name": "CALLANDAR" "name": "Joanna of Castile" "name": "GOOD WILL", "s": { "name": "A" "name": "Cleopatra III", "name": "YANKEE GENTLEMAN", Breed top champions with their own relatives over a few generations, and you then have consistently … "d": { } "d": { "name": "Berenice II" "name": "POLISH NUMBERS" "d": { "name": "RAISE YOU", "s": { }, "name": "PHAROS" "s": { "name": "Philip I of Castile" } "d": { "name": "VAGUELY NOBLE", } "s": { "s": { "name": "PHAROS" So for example, mating a brother or sister dog would result in a COI of 25. } "d": { }, }, "name": "Ptolemy II" "name": "Joanna of Castile", "d": { "name": "I", "name": "Maria of Aragon", "name": "Cleopatra IV", "name": "U-BOAT" "s": { "d": { "name": "Arsinoe I" "s": { "d": { "d": { "s": { }, "name": "Ptolemy VI" "s": { "name": "Christian II of Denmark" "name": "ATYS" "name": "TOM FOOL", "name": "MISS DISCO", "s": { "s": { } "name": "TRAFFIC JUDGE" "name": "Philip I of Castile" } }, "name": "BELOVED" "d": { } "s": { "name": "DISCOVERY" "d": { }, "name": "CEQUILLO" "name": "JESTER", }, "d": { } "s": { } "d": { } "s": { } "name": "ROYAL CHARGER", "name": "BLESS PAT", "name": "Philip I of Castile" "name": "NORTHERN DANCER" }, "s": { "name": "Isabella of Austria", "name": "NATIVE DANCER", "s": { "s": { "s": { "name": "Cleopatra Philadelphus", }, }, "s": { "s": { } "d": { }, }, } } } } "name": "Ptolemy III" "name": "A" "d": { }, }, "name": "ROUGH'N TUMBLE" You don't need a fancy calculator to do this - let Google do the work! }, "d": { "d": { "name": "A" }, They have an Inbreeding Coefficient Calculator, which they say uses all available Kennel Club data to generate the COI of a possible mating. "name": "Ptolemy I" }, "name": "SECRETARIAT", "s": { "name": "SUN PRINCESS" }, "name": "MISS DOLPHIN" }, "name": "BULL PAGE" }, "name": "Maria of Aragon", "d": { "s": { "name": "POLYNESIAN", "s": { }, "name": "Arsinoe I" "name": "Anna of Bohemia and Hungary" } "d": { }, }, "s": { "name": "Berenice I" "d": { "name": "POLYNESIAN" } }, "name": "A" "name": "Anna of Austria (b. "name": "A" "name": "A" "d": { I'm familiar with poodledata.org (Poodle Pedigree Database), but it only generates the COI for already existing and registered poodles. "s": { "name": "Ptolemy V" "name": "NASRULLAH", } }, "s": { "name": "E" }, "name": "NARRATE" "name": "NEARCO" "name": "Charles V, Holy Roman Emperor" Genetic coefficient of inbreeding (COI) is the most accurate method for measuring inbreeding. "s": { "name": "SUN PRINCESS" they originate from the doubling of an allele in one of the ancestors. "d": { "name": "NATIVE DANCER", }, "name": "NASRULLAH", "s": { "name": "RICH AND RARE", "name": "Ptolemy II"
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