The Monte Carlo sampling procedure for calculating the sampled PEV has been described extensively elsewhere for single breed [ 8- 10] and multiple breed scenarios [ 12].
It has initiated programs that have saved multiple breeds from extinction, and works closely with similar organizations in other countries, including Rare Breeds Canada.
There is a wide range of body types within the breed, stemming from the influence of multiple breeds of horses throughout its history.
Multiple breeds were present among the 44 case horses, the most common of which included Thoroughbred (12) and Quarterhorse (10), with 2 horses of unknown breed.
The control population consisted of 16 healthy, previously uninfected (naïve) horses of multiple breeds, including Thoroughbred (13), Quarterhorse (1), Paso Fino (1) and a single mixed breed horse.
Data were from multiple breeds, the main breeds being Merino, White Suffolk, Border Leicester and Poll Dorset.
So for large QTL that segregate in multiple breeds, there, appears to be more precision in the multi-breed analysis.
The question is how the use of data from multiple breeds affects prediction accuracies for a given breed.
After analysing regions identified in multiple breeds, we sought to identify any potential phenotypes under selection within breed-specific regions.
Considering that a great number of CNVs appears to be segregating in distinct breeds, we selected 12 chickens from multiple breeds with extensive genetic diversity, including seven Chinese indigenous breeds [ 37], four commercial breeds and one Red Jungle Fowl.
