Alfalfa, corn, small grain crop, and grass silage samples (n = 146) were collected from farms in Maryland, Virginia, and Indiana to determine the usefulness of near infrared reflectance spectroscopy for analyzing the feeding value of wet feedstuffs. Undried silages were analyzed for major components (DM, CP, ADF, NDF, pH, ADlN, NH 3 N, hot water insoluble N, and in vitro digestible DM) and for acetic, propionic, isobutyric, butyric, isovaleric, lactic, and valeric acids by conventional chemical laboratory procedures compared with near infrared reflectance spectroscopy.
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Reeves et al. (1989) studied this question.
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