Population genetic analysis and breed assignment of three Swedish horse breeds
Microsatellite markersNorth Swedish TrotterIntrogressionStandardbredNorth Swedish Draft HorseGenetic relationship
The genetic relationship between three Swedish horse breeds was investigated using microsatellite data from 144 loci in 30 horses. The North Swedish Trotter is believed to have been crossed with the Standardbred in the 1950?s to produce a faster trotter. If true, the North Swedish Trotter should be more alike the Standardbred than what the North Swedish Draught Horse is, from which they originate. This was investigated using F-statistics and Nei?s distance in GENEPOP and GENETIX and cluster assignment in STRUCTURE. All three breeds were assigned to clearly separate
clusters but the genetic relationship between the North Swedish Trotter and the Standardbred was closer than the relationship between the Standardbred and the North Swedish Draught Horse.