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Whole herd management solutions with both rumination monitoring and heat detection capabilities we can’t put more hours in your day, but we can put more time on your side!

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Records rumination information

How does it work?

Reduction in rumination may be an early disease indicator

Works with your herd management software

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It’s easy. Just listen to your cows.

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Rumination and activity information on the cows in the herd is collected in order to determine their normal activity level. Once this base level has been established, the control unit identifies cows that are displaying above average or below average activity. Information is recorded and monitored in the neck tag every two hours and stored for 24 hours. This information is key in herd reproduction and health management, with dairies utilizing showing remarked advances in overall herd health.

Research has shown that it’s just not a cow’s steps that help identify estrus and illness. Rubbing movements between cows, body movements and unusual behavior like additional head and neck movements are indications of estrus, while monitoring rumination is your earliest detection of illness. The system enables the user to view each cow’s rumination and activity history in a graphical display for at least one year.


HR-Tag® • Identification, activity monitoring and rumination in one tag • All the great features of the H-Tag • B uilt-in microphone records and analyzes rumination time, chewing rhythm and time between feed boluses

• Unprecedented insight into individual cow health status • I dentify potentially sick cows, distressed cows or nutritional problems before milk production drops

• Reduce drug use

Choose the tag

that’s right for you

H-LD-Tag® • Same great, accurate and reliable heat detection as the H-Tag® with benefit of long-distance transmission • The world’s most accurate and best-selling heat detection solution • Real-time heat detection reports make the most out of your breeding time • Monitor from any environment: free stalls, pastures and dry lots • Monitor groups located in different barns without having to pass under ID unit • Extremely reliable – data transmitted to system up to every 20 minutes • Flexible installation

HR-LD-Tag® • The complete cow/herd monitoring solution featuring the

same great features of the HR-Tag® that safe-guard your herd’s health with the benefit of long-distance transmission

• Early detection of disease, nutrition and health concerns • Monitor from any environment: free stalls, pastures and dry lots • Data retrieved from anywhere on the farm via radio frequency transmission from up to 500 yards • Extremely reliable – data transmitted to system up to every 20 minutes • Flexible installation


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• The system’s Heatime® software focuses on movements and information related to a cow’s rumination and estrus

Records rumination information

• The system quantifies all of a cow’s rumination with its built-in microphone. It also quantifies all of a cow’s movements such as walking, running, lying, standing up and head movements. This makes it more accurate than any other system on the market.

• Rumination data provides insight into herd health – especially important for pre and post fresh groups • 99% tag read rate • 85-90% true heat detection rate • Proven coast to coast and worldwide on herds of 50, 500 and +5000 cows • Available data backup ensures you’ll never lose data

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Listen to your cows & take control of your herd • Find sick cows faster before production drops

• Treat cows sooner Records • Inseminate on your schedule rumination • User friendly information • Reports for easy management Works with your herd

• Target the cows that need your time management software

Reduction in rumination may be an early disease indicator

Proven profitable Reduce average days open 3 • Reduced labor, drug and semen costs • Increased pregnancy rates

• Less time spent in headlocks, more time making milk • Quick return on investment

™ 2 Semex 3 4 Let ai24 Put time on your side

• Semex’s trained Genetic Consultants work with your team offering:

• Full support of your system

• Value based genetic solutions and consultation

• Industry-leading R&D solutions including Immunity+™, Semex Works™, IVF embryo opportunities and much more

• The world’s best genomic offering through the Genomax™ program


Heatime®-HR Processor • S upports up to 1000 H or HR tags • 1 year data history • R eport print outs •M  ulti-language display • T ouch screen for easy use • E xpanded reader flexibility

Easy to use Making herd management simple

Heatime® for PC • All the great features of the HR Processor • Robust reporting and graphing capability • Large herd service capability • Multiple herd/site management capability • Remote communication tools • Supports multiple users and clients

Heat Report Health Report Herd Rumination Report


Don’t just take our word for it “The only thing I wish I would have done differently is I would have put the system in sooner.” Joel Sutter.

Now, studies from three respected North American Universities are backing up what is being seen in the field. Recently, at the American Dairy Science Association (ADSA) annual meeting held in New Orleans, USA, three separate studies conducted at California Polytechnic State University, University of Guelph and University of Wisconsin-Madison using Semex’s ai24™ Heatime® system were presented, showing the effectiveness of installing activity monitoring systems.

Semex’s Jake Kempel with Dan Reuter, Reuter Dairy, Peosta, Iowa

Here is a summary of their abstracts as presented at ADSA.

“The rumination is awesome. We are spending a lot less time looking at cows because I have this watching them 24/7.”

California Polytechnic State University, San Luis Obispo, California, USA At California Polytechnic State University, they looked at the impact of installing a Heatime® system with rumination tags (HR-Tags) and integrating into the reproduction protocol at Cal Poly Dairy. They used the system to continuously monitor cow activity and rumination levels over a five-month period. Heatime® was used to flag cows that were suspected to be in heat. Additionally, they used the system to identify animals that need to be checked for sickness due to low activity levels. At the end of the five-month period, the pregnancy rate had increased to 22%, an 8% increase from the start of the study. The study concluded that Heatime® with HR-Tags was an effective tool that helped to increase pregnancy rates at Cal Poly Dairy.

Dan Reuter.

Semex’s Kurt McCullough with Joel Sutter, Fertile Ridge Dairy, Mount Horeb, Wisconsin

results from this study show that a breeding system using primarily activity monitoring can yield the same pregnancy rates to that of herds relying heavily on timed AI protocols, with no significant difference between the systems. The final results of this study are due to be published this Fall, and will include a much deeper analysis into factors that affect the performance of activity monitoring systems and any cost saving that can be achieved through the reduction of drugs and labor in timed AI protocols.

University of Wisconsin-Madison, Madison, Wisconsin, USA The third study was conducted at University of Wisconsin-Madison. This study looked at how effective the Heatime® system can predict the timing of a breeding. For the study, cows on a large 900-cow commercial Holstein dairy in southwestern Wisconsin, were given an injection of GnRH from 35-49 DIM (Days In Milk), followed by injection of PGF2, seven days later. Forty-eight hours after the PGF injection, cows were monitored for the presence using progesterone testing and ultrasound every eight hours for 120 hours. The trial used 42 cows for the analysis, and found that Heatime® correctly identified whether or not the cow ovulated 88% of the time. They also found that peak activity occurred on average 67 hours after the PGF injection, and cows were subsequently bred approximately 10 hours later. The University of Wisconsin-Madison trial shows that Heatime® can be used as an accurate tool to predict the timing of breeding.

University of Guelph, Guelph, Ontario, Canada A trial at the University of Guelph looked at the effectiveness of activity monitoring in three commercial Holstein dairy herds in Ontario, Canada. The study was conducted over a one year period where the herds were divided in two, with half of the herd being monitored by the Heatime® system. The other half of these herds were primarily bred with a timed AI system. The study utilized 1,060 cows, and recorded 3,235 AI breedings during the study period. The

References: Use of an activity monitoring system as part of the Cal Poly dairy breeding protocol. T. Nutcher* and S. Henderson, Department of Dairy Science,

California Polytechnic State University, San Luis Obispo. Herd reproductive performance with an automated activity monitoring system versus a synchronized breeding program in 3 commercial dairy herds. R. C. Neves*, K. E. Leslie, J. S. Walton, and S. J. LeBlanc, University of Guelph, Guelph, ON, Canada. Assessment of an accelerometer system (Heatime®) for detection of estrus and timing of insemination in lactating dairy cows. A. Valenza, G. Lopes*, J. O. Giordano, J. N. Guenther, and P.M. Fricke, Department of Dairy Science University of Wisconsin-Madison, Madison.


877-545-ai24 (2424) | www.semex.com 09/13

Ai24 august 2016  
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