World Record for Butterfat Set in Jersey Breed

US Jersey

Oklahoma Jersey Cow
Breaks World Butterfat Record

For the first time in more than a dozen years, a new world record for fat production by a Registered Jersey cow has been recorded by the American Jersey Cattle Association (AJCA).

 





 

 

On October 18, 2019, Lyon Renegade Barb completed a 365-day lactation of 3,072 lbs. fat, breaking the record set in 2007 by Norse Star Hallmark Bootie of 2,827 lbs. fat. The record-setting lactation had a butterfat test of 8.6%.

 

The complete lactation, begun at 6 years, 1 month of age, was 35,716 lbs. milk, 3,072 lbs. fat, and 1,382 lbs. protein (94 DCR). Based upon federal order pricing, the gross dollar value of the lactation was $11,042.

 

Owned by Logan and Autumn Courtney of Chouteau, Okla., the Excellent-90% daughter of BW Renegade-ET was bred by Lyon Jerseys, Toledo, Iowa.

 

The record-breaking lactation began October 19, 2018, when “Barb” calved with her fifth calf. She was managed in a herd of 65 cows, milked in a robot setup and fed a TMR of primarily wheat or oat silage and commodity grain mix. The ration is supplemented with long stem hay. She had eight test days over 90 lbs. milk, peaking at 121 lbs. on July 3, 2019.

 

“Barb” joins U.S.-bred world record milk, protein and cheese yield holder Mainstream Barkly Jubilee. She set her world records of 55,590 lbs. milk, 1,796 lbs. protein and cheese yield of 6,201 lbs. in 2008. The Very Good-87% daughter of Long Distance Barber Barkly was bred by Melissa R. Kortus, Lynden, Wash., and milked at her family dairy, Mainstream Jerseys.

 

The American Jersey Cattle Association was organized in 1868 and has provided herd production recording services since 1928. The organizations offer a comprehensive service package through REAP (registrations, Equity, appraisal, and performance testing), which also includes the state-of-the-art JerseyMate™ program. For more information, visit the website at www.USJersey.com or call 614/861-3636.

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