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While daughter-proven sires 1JE00922 RONALDO {3} and 1JE00921 EUSEBIO {4} continue to impress - especially with strong numbers for the Ideal Commercial Cow™ (ICC$™) index and its Cheese Maximizer (ChMAX$) sub-index – nine new sires offer genetic credentials to fit the diverse needs of today’s producers.

New release 1JE01077 MARCELO-UR is a genetic giant at +1012 for the ICC$™ index, +239 JPI™ and +782 Cheese Merit (CM$). A mixed breed sire from 1JE00922 RONALDO {3} out of a Manifold (Holstein), MARCELO-UR will sire commercial cows with elite yield (+3011 Milk) and components (+185 Combined Fat & Protein). These credentials earn him the top spot for the ChMAX$ sub-index. This sire will also improve udders (+10.2 JUI™) and milk quality (+2.75 Somatic Cell Score). MARCELO-UR is available in GenChoice™ sexed semen and is 68 BBR.

1JE01085 PACINO-UR is a new 1JE00892 VANDRELL {2} son out of a Daybreak at +806 for the ICC$™ index. He’s another elite yield improver (+1954 Milk) and will improve daughter fertility: +2.2 Daughter Pregnancy Rate (DPR), +3.4 Cow Conception Rate (CCR) and +6.0 Heifer Conception Rate (HCR). Those numbers earn him a solid +125 for the ICC$™ index’s Fertility (FERT$) sub-index. PACINO-UR is available in GenChoice™ semen.

1JE01081 DOX {3} is +788 ICC$™ and hails from a diverse pedigree in Uncle Luke x Chisel. DOX {3} features a complete genetic profile: +194 JPI™, +654 CM$, +2.7 DPR and +113 Combined Fat & Protein (CFP). Use this bull to improve udders (+24.3 JUI™) and component percentages. He is available in GenChoice™ semen.

1JE01080 JONES {3} is a Marlo out of a Pilgrim that came in at +776 ICC$™, +178 JPI™ and +589 CM$. He’s another elite udder improver (+20.2 JUI™) and combines that with an impressive +2.9 DPR. JONES {3} is also available in GenChoice™ semen.

Look to new sire 1JE01071 APPEAL {3} to produce ideal commercial cows with his +706 ICC$™ with +581 CM$ and +109 CFP. This VANDRELL {2} son has a no-holes genetic profile with a +1.7 DPR and positive values across all three sub-indexes of the ICC$™ index. He is available in GenChoice™ semen.

1JE01066 ZEKE-UR is another VANDRELL {2} son. He debuts at +699 ICC$™, +573 CM$ and +174 JPI™. He will improve daughter fertility (+1.1 DPR, +68 FERT$).

1JE01064 JEEPERS-UR is a new sire at +705 ICC$™ and +579 CM$. He offers elite Fat (+75) which boosts his CFP to +112. This Marlo son will improve udders (+16.4 JUI™) while increasing daughter fertility (+0.6 DPR, +40 FERT$).

1JE01075 AROUND {5} and 1JE01082 TELFORD {4} are new release 1JE00935 WORLD CUP {5} sons. AROUND {5} is +700 ICC$™, +668 CM$, +191 JPI™ and adds elite yield with +127 CFP. AROUND {5} is available in GenChoice™ semen. TELFORD {4} debuts at +680 ICC$™ and +546 CM$. This sire will improve daughter fertility (+2.0 DPR) while improving udders (+17.3 JUI™).

For more information on GENEX Jerseys, contact a GENEX representative, call 888.333.1783 or visit To search and sort bulls, download the GENEX Dairy Bull Search app from the iOS, Android or Windows app store.

GENEX is the trusted provider of world-class animal genetics, progressive reproductive solutions, value-added products and innovative services. As a cooperative business, GENEX serves members and customers - dairy and beef cattle producers - across the globe. For more information, please visit