Blackjack Oaks Ranch takes pride in the quality and diversity of our herd sires. Beginning several years ago with Urbanosky’s NGA General (now retired) and continuing to our current herd sire from Strait Ranches combined with our AI pool, we strive to breed for excellence through our natural service and AI approaches to breeding.

Registration Number: 20172665
Date of Birth: November 29, 2017
Sire: SR 90/5
Dam: SR 102/5
Genetics: Strait Ranches; Red Doc Never Before; Tinney Farms; Grandview/Fullinton; Circle A

A beautiful young bull from Strait Ranch bloodlines; we expect calves on the ground in 2020.

In addition to our herd sires, we’ve accumulated a selection of semen from some of the top bulls and young bulls in the breed to improve our genetics and sale offerings. Need semen in small quantities? We do sometimes have extra available, and can always put you in touch with the owner / source.

Registration Number: 20154201
Date of Birth: March 16, 2015
Sire: KR 800/11
Dam: KR 110/09
Genetics: King Ranch; Silva; Waukaru

One of King Ranches’ best, owned by Robert Silva, El Rey is the next generation of profitable genetics with six traits in the top 2% of the breed. Top 1% in Hot Carcass Weight; Top 1% in Marbling; Top 1% in REA. This polled bull is producing excellent offspring.

Registration Number: 20173826
Date of Birth: March 30, 2017
Sire: KR 921/15 El Rey
Dam: Harris Farms 1524
Genetics: Harris Farms; King Ranch; Red Doc Farm; Harco; Wendt/Kubecka

A son of KR 921/15 “El Rey” and owned by Robert Silva, this bull has exceptional growth and carcass numbers and is listed among the SGBI Young Sire Trait Leaders for carcass quality. He’s in the top 1% for Weaning Weight, Yearling Weight, Hot Carcass Weight, REA and IMF. An outstanding polled bull.

Registration Number: 1292286
Date of Birth: April 11, 2011
Sire: RDF Sancho 7-216
Dam: CA3194
Genetics: Red Doc Farm; Corporron Acres; King Ranch; Harris Farms

This genetic favorite, owned by Townsend Cattle Company, turns up in some of the best pedigrees in the breed.

Registration Number: 20140078
Date of Birth: January 3, 2014
Sire: SJ High Roller 005
Dam: Harris Farms 17/0
Genetics: Triple Seven Farms; Harris Farms; Tinney Farms; Wendt/Kubecka; Cotton Branch; Briggs

A breeding of Triple Seven Farms, half interest sold in the 2016 Mid-Coast Santa Gertrudis Association International Super Sale at HLSR for $50,000 to Harris Riverbend Farms and Briggs Ranches. This compact bull was 2016 National Champion Santa Gertrudis Bull and 2015 & 2016 National Champion Best of Polled. He is out of the 2013 National Champion bull, SJ High Roller, also owned by 777 Farms.