You are invited to attend our free webinar, "New Analysis for Total Tract NDF Digestibility and Use in a Ration Evaluator." The session will begin on June 4th, 2012 at 9:00 am. Registration is easy...

Please note that RRL has a new fax number: 888-270-4347. The old number is no longer in service. We would like to encourage our customers to use email at office@rockriverlab.com rather than faxes. Thank you!

Rock River Laboratory has recently adopted a more accurate method of determining percent starch in forage and fecal samples. This technique was developed and revised by MaryBeth Hall, Ph. D. USDA Research Animal Scientist...

The United States Post Office has announced sweeping cuts to its services beginning as early as May 2012. To ensure that your samples get to us a timely fashion, Rock River Laboratory is now offering postage-paid UPS shipping labels available for download on our website...

We are very pleased to announce the addition of Keith Gunderson to our staff as a Nutrient Management Plan Writer and Soil Sampler.

Keith has a Bachelor of Science degree (2001) in Agronomy from the University of Wisconsin/River Falls. Until accepting the position at Rock River Lab, he...

We have heard your requests and are happy to now include Boron as part of our Total Mineral or Minor Mineral packages.

Click on the link below to see the most recent toxin results going back to last year.

Rock River Laboratory is pleased to announce the addition of a new analysis package, Yeast and Mold Count PLUS Mold Species Identification.

Once again setting the bar in customer service and technology, Rock River Laboratory is pleased to announce the release of the first analytical laboratory mobile website, m.rockriverlab.com. Customers can now use the mobile website on their Blackberry or SmartPhone and instantly pull and view completed analysis reports.

Rock River Laboratory is pleased to announce a new combination package, Total Starch Digestibility Suite, which will allow nutritionists to monitor starch digestibility on your client dairy herds.

It is now possible to get "Wet Chemical" minerals on your NIR samples on the same day as your other results. Rock River Lab has invested in an Xray Fluorescence Spectrometer.

Kits are available for Managed Pasture and also Wildlife Food Plots. Please contact the lab or send an e-mail to: jackie_naatz@rockriverlab.com for further details.

Do you want your lawn or garden to be in tiptop shape this season? Lawn or garden kits are available. These kits are for determining nutrient and fertility levels. Recommendations will be interpreted for you on the results form. Lawn and Garden results are now available the web site. Please call the lab or e-mail jackie_naatz@rockriverlab.com for additional information.

Rock River Laboratory is now offering professional turf analysis including but not limited to School Districts, Golf Courses (ranging from 9-36 holes), Parks, and other specialty Turfgrass areas.

The first edition of Rock River Lab News is now available!...

Welcome! Rock River Laboratory is pleased to announce the launch of our updated website. The updates have made the site practical and straightforward, and customers will notice a more intuitive and user-friendly experience.