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"Since 1961, Micro-Tracers, Inc. has manufactured analytical tracers used for quality assurance purposes by the animal feed industry. Microtracers have been formulated by Elanco (formerly Eli Lilly), Zoetis (formerly Pfizer), Zinpro and other major animal feed and animal health companies world-wide to identify their products as proprietary.

We are the only company in the world whose primary focus is manufacturing analytical tracers used for quality assurance purposes by the formula feed industry. We also manufacture colored corn cob grits for coding commercial and research feeds, as well as selenium sources for use in manufacturing feed premixes."

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Microtracers® are easily identifiable "harmless markers" used to assure the quality of mixed formula animal and poultry feeds. When formulated in vitamin, mineral or medicated premixes, a Microtracer serves to mark the presence of the premix in the finished feeds.

Microtracers

Microtracers™ F (colored uniformly sized iron particles) are easily identifiable "harmless markers" used to assure the quality of mixed formula animal and poultry feeds. When formulated in vitamin, mineral or medicated premixes, a Microtracer™ serves to mark the presence of the premix in the finished feeds.

Microtracers™ F

Microtracers™ FS are stainless steel particles colored with FD&amp;C water soluble dyes or the water insoluble “lake” form of such dyes. Microtracers FS are used primarily to code drugs so they can be quantified in premixes and final feeds. Microtracers FS are magnetically retrievable from feeds via a Mason Jar Test (qualitative), Rotary Detector (qualitative or quantitative), or a magnetic probe (quantitative). They are formulated in animal health feed products such as coccidiostats and therapeutic animal drugs.

Microtracers™ FS

Microtracers™ -RF are iron powder colored with water soluble FD&amp;C colors, designed to be used in feeds or premixes. Microtracers-RF may be assayed qualitatively using a Rotary Detector or the Mason Jar Technique in less than one minute in premixes and mash feds and in two minutes in pellets ground to mash. For qualitative tests, the tracer will yield a ring of color on a filter paper, indicating the presence or absence of the product it is coding. Microtracers-RF can also be determined quantitatively by eluting the dye from the tracer, reading its absorbance at a specific wavelength, and comparing it to a set of standard curves.

Microtracers™ -RF

Micro-Tracers, Inc. Microgrits are visually identifiable in mash and pelleted feeds. Microgrits were originally developed for use in research feeding trials to reduce the likelihood of making errors and for determination if errors were made by checking the feces of trial animals or poultry.

Micro-Tracers, Inc. Microgrits

Microtracers™ SiG consist of silica gel and graphite particles respectively, coated with food grade dyes. They differ from Microtracer F, FS, and RF in that they are not magnetically retrievable, and instead are recovered via sedimentation.

Microtracers™ SiG

Micro-Tracers, Inc.

"Since 1961, Micro-Tracers, Inc. has manufactured analytical tracers used for quality assurance purposes by the animal feed industry. Microtracers have been formulated by Elanco (formerly Eli Lilly), 

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