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I was looking at the breeding of a decent sprinter in the early 90’s trained by Robert Williams called Cantoris, both her sire and dam had the same sire (Sing Sing) Has this sort of thing always been allowed and is it still? Are there any possible problems from it.
I can’t find any foals for Cantoris after she retired.Cantoris was a gelding.
That level of inbreeding is pretty rare, some breeders have experimented; this pedigree is interesting as they have also duplicated Vilmorin/Gold Bridge to supposedly increase speed. Vilswitch the dam of Cantoris left around ten foals, only one, Annie Sullivan was inbred to Sing Sing through his grandson Aragon, this mating also duplicated Vilmorin.
I do not think there are any regulations preventing close inbreeding, it has never been especially common in recent years.
What is of more of a worry for breeding is the saturation of Northern Dancer through his various sons. There are very few different sire lines in operation in Europe today and we are beginning to see horses with six crosses of Northern Dancer. This is far from healthy and will begin to weaken the breed, there seems to be more horses breaking legs on the flat than there used to be. There are far more nearly identical bright/washy bays about, especially owned by Coolmore, whose huge fleet of stallions are mainly Northern Dancer male line descendants.
There was a thread recently about Jack Hobbs, who only has one line of Northern Dancer and someone indicated that he was a plodder who could only sire steeplechasers. I wish some people would wise up to the impending catastrophe for racing is ahead.This article suggests a small but significant increase in inbreeding –
Article hereI can’t find any foals for Cantoris after she retired.
She met with an accident in training and had to be put down.
No rules on inbreeding, the racecourse test sorts this sort of thing out, it’s not like show animals.
Very close inbreeding was far more common in the 18th and early 19th centuries than it is today.
Off the top of my head, two notable 20th century horses with 2X2 inbreeding were crack U.S. sire, Ultimus (Domino) and the Arc and Queen Mary winner, Coronation (Tourbillon).
https://www.facebook.com/groups/pinza/permalink/1047192545309185/
I did an analysis of the 1000 Guineas this year. There has always been inbreeding, in fact some are quite complexly inbred; the difference is the fillies in 2015 are in bred to one bloodline. Most colts are also bred ths way so there will be more and more duplications as the years go by.There does not appear to be conclusive scientific or veterinary evidence that inbreeding has led to a weakening of the physical conformation of the breed.
I recall an oddly named horse called Croft What’s Wanted in the mid 1960’s bred 2×2 to Nasrullah. I think it was trained by Sam Armstrong. It went on to be a stallion in Australia.
It was sired by Grey Sovereign a line that has not been much preserved here although the French did try to nurture it through such as Highest Honor.
Kauto Star. Sire: Village Star, Moulin – Mill Reef
Dam: Kauto Relka, Port Etienne, Mill Reef
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