13 months old, 6 mo growth



Fiber/Scientific Data

201820.45/ 4.21/ 20.57/ CF 97.2%
201719.4/ 4.1/ 21.3/ CF 98.3%
RR Mingus - Solid Grey

Huacaya, Male, Unproven | Dark Rose Grey

ARI# 35117551, D.O.B. 9/17/2016,



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Sire: RR LEGATO GRIGIO ARI# 31620031 Dark Silver Grey  
Dam: RR MARY QUEEN OF SCOTS-Grey Maker! ARI# 35278610 Medium Brown  


Legato Grigio pulled dark rose grey out of RR Mary Queen of Scots, a full sister to Arturo, our herdsire "par excellence". If there is any doubt, check out the fleece picture and analytics.
He has a stunning, very bright mahogany rose grey fleece, which carries excellent uniformity over an expansive blanket.

Mingus is a marriage of our 2 most pre-potent lines.

H is what is referred to as a "bay roan" and in a darker almost shade ( modern dark rose grey in the show ring)and he has an excellent hand.
He is one a large number of roans that we have been breeding for in our herd with a dominant pattern of inheritance through three generations. The genomics are are continuing to be evaluated in the grey color genetics study being currently done by Kylie Munyard PhD and Samantha Brooks PhD.

The full genomic sequence is being done on the Mingus and 17 of his relatives...and more to come.
None of the roans have anything other than complete color uniformity in the blanket (no spots).
We believe that genomic markers will result in the breeder using him to have the earliest use of genomics to develop a breeding strategy and will mirror the experience of roan horse breeders.

This is also a line that has been defined by analytics, not just histograms, but skin biopsy and follicle testing.

He is ideally suited to a breeder with solid color females looking to take their genetics to grey. We have had excellent results breeding the Roan dominant allele to brown and fawn. Mingus should produce roan from black as well.

As for breeding to roan...RnRn homozygotes are not lethal in horses, and the dominant RnRn ought to transmit the roan gene to ALL it's offspring. Breeding to another roan should result not only in 100% roan, but 50% double dominant RnRn.


2018 California Classic walking fleece 1/4, judge Cheryl Gehly