Company News

Semex Adds Industry's Best Apple Bull To *RC Lineup

Semex leads the industry with its high-ranking GTPI Red Carrier (RC) and Red sons, having eight of the top 15 GTPI sires calling Semex and stud code 200HO home. These sires include August 2014’s #1 GTPI *RC sire and Genomax™ hotshot 0200HO03949 Ladys-Manor Olympian *RC (Alchemy *RC x Dorcy).

Laced throughout the top 15 GTPI line-up is the industry’s most famous Red & White cow family, the Apples. And, with the release of Genomax™ sire 0200HO10064 Mr Aderyn Andiron *RC, Semex has made the #1 GTPI Apple bull available.

Andiron *RC is the top-ranking *RC McCutchen son at +2365 GTPI, and is from a VG-85 Superstition from KHW Goldwyn Aiko EX-91 DOM 3*, a popular Goldwyn daughter from Apple’s Durham sister Kamps-Hollow Altitude EX-95-2E DOM 1*.  Andiron *RC’s numbers are solid with a +719 NM$, 2.86 SCS, +4.7 Productive Life, solid +3.00 PTAT and positive deviations, making him an extremely popular option for Red enthusiasts.

“The Apple family has never been hotter,” says Paul Krueger, Semex Director Sales and Business Development, United States. “And along with Apple’s popularity has come an increased interest and demand for the very best Red genetics. We’re proud of our Red Carrier and Red lineup and adding this Apple relative just strengthens what is already the industry’s #1 GTPI red lineup.”

Andiron *RC is available beginning October 1 in the US. For more information on Semex, Genetics for Life, Genomax, Red & White sires or any of Semex’s brands visit:
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Semex Immunity+ Daughters On Display At World Dairy Expo

On the heels of an award-winning 2013 and with record worldwide sales since its release, Semex is proud present daughters of Immunity+™ sires at this year’s World Dairy Expo (WDE) in its Semex Tent. 

Using a patented technology, Semex measures an animal’s immune response and their ability to combat infection and disease. These animals are considered High Immune Responders (HIR) and at Semex they’re known as Immunity+ bulls.

“Dairymen are looking for long-term solutions to herd health,” says Brad Sayles, Semex Vice President Global Marketing. “With Immunity+ sires, dairymen can now ask how well a bull’s daughters respond to infection instead of how often they get diseases like mastitis. It changes the conversation from result-oriented measurements with heritabilities of less than 10%, to immune response that is highly heritable at 25%. We’re excited to share the future of herd health with dairymen this year at World Dairy Expo.”

On display will be daughters of popular Immunity+ sires including:

0200HO03753 Marbri Facebook: Immunity+, HealthSmart™, Repromax™ and Calving Ease™ sire
0200HO07450 Amighetti Numero Uno: Immunity+, Genomax™ and HealthSmart sire
0200HO05567 R-E-W Seaver: Immunity+ and Show Time™ sire
0200HO00560 Monument Impression: Immunity+, Repromax, HealthSmart and Robot Ready™ sire
0200HO02698 Misty Springs Supersonic: Immunity+, Genomax, HealthSmart, Repromax and Robot Ready sire

To find out more about Immunity+ or any of Semex’s suite of solutions, stop by Semex at World Dairy Expo at the Semex Tent or in the Exhibition Hall at booth #2608-2709 or by visiting

If you can’t be with us at this year’s World Dairy Expo, we encourage you to follow Semex on Facebook, Twitter, Instagram or on our YouTube Channel and search #semextent for all the latest news from Semex at the show! 
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Semex Jersey Team Growing With Jersey Sales

Worldwide no breed has experienced greater growth than the Jersey breed, and at Semex this is no exception with a record increase in Jersey semen doses sold in 2013 versus 2012.

Working shoulder-to-shoulder with our Jersey customers we recognize their unique needs and have established a group of Semex Jersey Support Specialists to support their genetics objectives and breeding goals. These team members are a key resource for all Semex Jersey clients and help ensure Semex is meeting their needs.

These individuals have extensive Jersey roots and are dedicated members of Semex’s Team with a specialization in Jersey knowledge:

Eastern Region: David Ertl serves a dual role as US Jersey Sire Analyst and a Jersey Support Specialist for the Eastern Region. David attended The Ohio State University where he obtained a bachelor of animal science degree with a minor in agricultural business. Following graduation, David managed a 600-cow commercial dairy in central Ohio. His own herd, Ertl Jerseys, has ranked in the top 25% in the nation for JPI, and has had numerous bulls enter stud.
Upper Midwest Region: Londa Johnson has a dairy science degree from UW-River Falls, and following graduation spent two and a half years working for the US Jersey Cattle Association as an Area Representative and Linear Type Appraiser. Londa is also a Semex Premier™ Consultant, working with Semex’s Premier herds and ProMate™ mating program.
Mountain Region: Allen Berry has been worked with Semex for three years but has been in the AI industry for 17 years. For the past 12 years he has worked with the Jersey herds in Oregon. These herds have been elite type breeders, extreme production herds and range in size from 40 to 2000 cows.
Pacific Region: Blake Renner from Fortuna, California has been Semex Dairy Genetic Consultant since December 2012 in the Pacific Region. Prior to this he was employed by the American Jersey Cattle Association an Area Representative ... Read More...

Semex Polled Lineup Expanding

Semex understands the potential of the polled gene in the marketplace and on the dairy. Genetics for Life ensures that our clients have access to the tools and solutions they need to be successful. For our clients who are seeking a non-invasive solution to dehorning, the polled gene is extremely valuable.

New to the Semex Polled™ and Genomax™ lineups in the US is Semex’s new #1 Polled™ bull, 0200HO06652 Lorka Zumba P. Ranking high on the heterozygous polled listing at an impressive +2326 GTPI, Zumba P offers +751 NM$, +1412 PTAM, 5.5 Calving Ease, +1.8 DPR, +5.8 PL and a solid +2.05 PTAT with fantastic udder traits.

A son by the popular Earnhardt P, his dam is a Meteor from a VG-87 4* Bolton with nine VG daughters to date and over 121,000 lbs of milk in just three lactations. Next is an EX-90 Cevis and then multiple generations of high producing, high scoring, profitable cows.

“We’re working to meet the needs of the polled breeder,” says Brad Sayles, Vice President Global Marketing. “The interest in these bulls has skyrocketed in recent years and our clients are looking to take advantage of the polled gene while incorporating the most profitable genetics possible. Adding Zumba P to our lineup certainly does this by offering high GTPI as well as great functional traits, tremendous mammary systems and solid type.”

Zumba P is now available in the US. For more information on Semex, Genetics for Life, Genomax, Polled sires or any of Semex’s brands visit:
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Semex Millionaire Sire Buckeye Passes Away

Semex is saddened to announce the passing of its 11th Millionaire Sire, 0200HO04779 R-E-W Buckeye.

Proven through Semex’s Premier™ young sire proving program in the US in August 2005, Buckeye’s popularity was instantaneous, arriving as one of the world’s most popular BW Marshall sons and ranking #4 TPI. In February 2006 Buckeye climbed to the #2 TPI position, commanding international respect for his desirable production, solid type and in-demand health traits.

Buckeye daughters were known for exceptional feet & legs, mobility and flatness of bone. They had tremendous udders that were silky, very well-attached and were designed to handle large volumes of milk. His status as a calving ease sire only added to his popularity, selling into well over 50 countries worldwide.

“Buckeye was one of the ultimate breeder satisfaction bulls,” says Brad Sayles, Semex Vice President Global Marketing. “He delivered long-lasting, profitable cows that their owners loved because they were milky, dairy and profitable. His daughters are still impacting their herds, being long-lasting and profitable.” 
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Semex Jerseys Deliver Genetics for Life

Genetics for Life is all about delivering the best possible product to our clients, and Semex’s Jersey sires are no exception. The rigorous selection process used when selecting our Jersey lineup has netted impressive results with code 200JE owning four of the top 25 US GJPI Active Sires and the #1 new release sire in Canada! 

Leading Semex sires was HealthSmart™ sire 0200JE00073 GR Wilsonview Maxwell at +198 GJPI. This Gannon son from the widely-respected M family at Wilsonview in Oregon delivers 66 pounds of Fat, 558 CM$, 524 NM$, 500 FM$ and impressive stats of 4.21 JUI and 4.8 for PL.  He ranks 4th for Net Merit $, 5th for Cheese Merit $ and fourth for Fluid Merit Dollars on the active list. 

Blackstone son 0200JE00477 Lucky Hill Joker climbed 17 points GJPI with additional daughters to land one point behind Joker at +197. From a Legion x Montana Java, Joker sires hard-working cows that give him an impressive +60 F and +50 Protein. This high fertility Repromax™ sire is also available Sexxed™.

Semex’s rigorous selection process for its Genomax™ lineup has resulted in some of the most in-demand progeny proven bulls in the world. One of these elite young sires is 0200JE01007 Missiska MacKenzie (Vinnie x Merchant) is no exception, ranking as number four on the G Code list at +259 GJPI. This impressive sire ranks #1 for Cheese Merit dollars (+766) and pounds of fat (+100), #2 Net Merit dollars (+671) and #6 for Fluid Merit $ (598). He also beings profit to the table with a .26% fat and +.08% protein and a high JUI at +4.86!

In Canada, Robot Ready™ sire 0200JE00470 Comestar JDF Beautifull (Iatola x Fprize Belle x Declo Belle) graduates as the #5 GLPI sire overall, the #1 new release sire and the only double digit Conformation bull in the top 30! Beautifull daughters have all the great conformation traits you would expect, with nearly perfect-shaped udders having silky texture, great heel depth, a steep foot angle and above average stature with wide ... Read More...

World's #1 Homozygous Polled Bull Joins Semex's Genomax Lineup

Genetics for Life is all about ensuring that our customers everywhere have the tools they need to be successful. For our clients who are seeking a non-invasive solution to dehorning, the polled gene is extremely valuable. Semex recognizes the potential of the polled gene and we’re working with our customers worldwide to find the best possible polled genes for them. New to the Semex Polled™ and Genomax™ lineups in August is the #1 homozygous polled bull available in the world, 0200HO10157 Calbrett Blueprint PP *RC. He’s an impressive +2124 GTPI with a +4.6 PL, +1.10 DPR, +2.09 PTAT with a great +2.68 RUH, +2.47 RUW and 573 NM$ and is also designated a HealthSmart™ sire. A son of the popular Earnhardt P and from the well-known PR Barbie maternal line, Blueprint’s pedigree is extremely popular and valuable. His dam is VG-85-2YR Cherry Crest Colt Bambi P, a Colt P from a VG-88 Alexander, Lookout Pesce A Brava, from VG-87 2* Regancrest MB Breyell then EX-90 GMD DOM 3* Breya, a Shottle from PR Barbie herself. “We have seen the remarkable increased interest in polled genetics over the past few years,” says Brad Sayles, Vice President Global Marketing. “As the genetic merit of these sires increase so does the demand. Our clients are looking for homozygous polled sires with a high genetic value, and Blueprint is certainly one of those sires! This is his first semen available for use anywhere and we’re excited about the potential it holds for our clients worldwide.” Available to be shipped directly to our clients in the US beginning September 1, Blueprint is priced at $150 with a five dose minimum purchase required. To place your order please call 1-800-303-BULL today. For more information on Semex, Genetics for Life, Polled, Genomax sires or any of Semex’s brands visit:
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Semex's Facebook Now World's #1 TPI Sire!

Semex’s Genomax™ sires meet the industry’s most rigorous genomic young standards. This results in some of the most in-demand genomic and progeny proven bulls in the world. The newest graduate of this program, 0200HO03753 Marbri Facebook, now ranks as the world’s #1 TPI sire! Facebook joined Semex’s elite Genomax lineup as the #3 GTPI sire in December 2010. Identified quickly as a top sire, Semex sampled 17 sons that have now entered the Genomax program themselves. They are now some of the most highly respected and in-demand genomic sires in the breed including 0200HO02870 Mr Lookout P Enforcer and 0200HO03877 Coyne-Farms Jabir who have each been at the top of the GLPI and GTPI charts. Now as a progeny proven sire, Facebook’s international demand will only increase as his #1 TPI and #1 MACE LPI rankings combined with his Immunity+™ status make him one of the most valuable sires in the world. With impressive statistics of +2356 GTPI/+3469 MACE GLPI, +2.49 PTAT, breed-leading +172 lbs combined Fat and Protein, moderate stature and fantastic udder traits of +3.04 RUH, +2.80 RUW and +2.90 UC, Facebook and his sons are only just beginning. “Facebook is exactly the kind of bull our clients are looking for,” says Brad Sayles, Vice President, Global Marketing. “He was an extremely popular Genomax young sire who has proven himself through his milking daughters. He is truly more than a triple-threat sire, being Immunity+, a high fertility Repromax™ sire, Calving Ease™ and HealthSmart™. He’s got everything our global clients are looking for to be profitable at the farm gate.” For more information on Semex, Genetics for Life, Immunity+, Genomax, Repromax, Calving Ease or HealthSmart sires visit
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For A Stronger, Disease Resistant Herd Start With Semex

The discovery of high immune response (HIR) and Semex’s release of Immunity+™ sires was a game-changer for the bovine industry. With a 25% heritability, Immunity+ sires can help improve a herd’s overall health and longevity.

Regardless of herd size or management style, Immunity+ sires are a valuable tool for breeding a healthy herd of profitable and efficient cows.

Based on the HIR technology developed by Dr. Bonnie Mallard and her colleagues at the University of Guelph, the research surrounding this technology spans decades. It shows that HIR cows have 19-30% lower disease incidence compared to herd averages. These cows also respond better to commercial vaccines and produce higher quality colostrum. As a result, they are more profitable by bringing in more revenue, lowering costs and wasting less of the dairyman’s time. And, most importantly, Immunity+ works.

“We’ve been excited to hear from dairymen real life examples of Immunity+ sired daughters being healthier than their herdmates,” says Jay Shannon, Semex Global Dairy Solutions Manager. “For example, recently a dairyman using bulls from several studs reported that a bug hit his dairy’s calf pen. Unfortunately, he lost 11% of the daughters from other sires, but none of his Immunity+ sired calves were lost.”

Joining the proven Immunity+ lineup following the August 2014 genetic evaluation are:

0200HO03753            MARBRI FACEBOOK ... MAN-O-MAN x AIRRAID
0200HO02690            STANTONS EMPRESS ... MAN-O-MAN x OUTSIDE

The following Genomax™ bulls are also designated Immunity+:

0200HO06635            SNOWBIZ ...

Semex Programs Continue To Offer Best Sires In The Business

With the August genetic evaluation, Semex once again reaffirmed our commitment to our clients and their drive for profitable genetics. We’re more confident than ever that our programs offer our clients everywhere what they’re looking for through our lineup of newly released daughter proven sires, high reliability sires and the very youngest and brightest genomic superstars.

Semex highlights include its Genomax™ program graduating 0200HO00402 Marbri Facebook (Man-O-Man x Airraid) who received his first official proof ranking him as the #1 TPI sire and #1 MACE LPI in the world! He joins Millionaire Sire 0200HO00402 Manistream Manifold, 0200HO0528 Sildahl Jett Air and another new graduate 0200HO02690 Stantons Empress (Man-O-Man x Outside) in the top 25 GTPI sires in the world.


Led by household names including 0200HO07450 Amighetti Numero Uno and the program’s most famous graduate to date, Facebook, our rigorous selection standards ensure that Semex’s Genomax sires are the industry’s finest, most desirable and profitable young bulls available anywhere:

0200HO10044             CALBRETT BUDDY ...  NUMERO UNO x SUPER
0200HO09136             LEADERWIN MUSCADET ...  MOGUL x JEEVES
0200HO06610             LOOKOUT PESCE SNOWY ...  NOW x ...