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Once a feed sample has been collected properly, it can be analyzed for nutrients. Most commercial laboratories offer standard feed tests for forages, grains or total mixed rations (TMRs). Analyzing feeds for moisture, protein and energy is recommended when designing diets for beef cattle.

The quality of the products from leading Latin American dairy producer, Dos Pinos, originates from its own feed plant, where all the raw materials and finished feed for cattle are tested in a sophisticated feed laboratory.

The most straight-forward explanation of “chemometrics” (a word coined by Svente Wold in 1972, so it is now 40 years old!) that I have employed for many years is: “Chemometrics is concerned with the application of mathematical and statistical techniques to extract chemical and physical information from complex data”.

The ideal calibration set contains an adequate range of the property of interest and represents all the important sources of variability that may be present in future prediction samples.

In September 2011, our industry lost a very special individual, John Shenk (1933-2011). While many producers and nutritionists may not recognize the name of John Shenk, be assured that your laboratory personnel know him as one of the “fathers” of near-infrared (NIR) analysis.

NIRperformance.com is an online resource center for professionals in the feed industry who work with near infrared (NIR) spectroscopy technology. Offering objective advice and know-how, NIRperformance.com brings feed professionals and NIR experts together to discuss the latest developments and concerns within feed production and infrared analysis. This site was designed and produced by cylindr.