![]() ![]() This study was conducted with a pre-dispersive FOSS NIR Systems 6500 scanning monochometer and a post-dispersive Perten DA 7200 diode array instrument. A study was conducted to compare the calibration and validation results of FNIRS prediction models for predicting the diet dry matter crude protein (CP) concentration of cattle from fecal spectra. Faster turnaround will facilitate: 1) producer risk management and decision making in the face of dynamic forage and climatic conditions on pasture and rangeland, and 2) sustainable grazing and conservation practices. While FNIRS is much faster than traditional reference methods, there is a need to develop near real-time analysis of herbivore diets. With adequate calibration, the technique has proven to be a precise and robust analytical tool. Fecal near infrared spectroscopy (FNIRS) has been used to estimate diet quality, and diet composition in free ranging herbivores. ![]()
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