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Determination Of Undegradable Intake Protein Digestibility Of Forages Using The Mobile Nylon Bag Technique, H. L. Haugen, S. K. Ivan, James C. Macdonald, Terry J. Klopfenstein
Determination Of Undegradable Intake Protein Digestibility Of Forages Using The Mobile Nylon Bag Technique, H. L. Haugen, S. K. Ivan, James C. Macdonald, Terry J. Klopfenstein
Department of Animal Science: Faculty Publications
Two experiments were conducted using 2 ruminally and duodenally fistulated steers to determine the digestibility of undegradable intake protein (UIP) of smooth bromegrass (Bromis inermis), birdsfoot trefoil (Lotus coniculatus L.), and heat-treated alfalfa (Medicago sativa) using the mobile nylon bag technique. Undegradable intake protein was determined using neutral detergent insoluble CP at a single in situ incubation time point based on 75% of the total mean retention time estimated from IVDMD plus a 10-h passage lag. In Exp. 1, UIP (% DM) of smooth bromegrass in June and July were 1.82 and 1.71, respectively (P …
Estimation Of Undegradable Intake Protein In Forages Using Neutral Detergent Insoluble Nitrogen At A Single In Situ Incubation Time Point, H. L. Haugen, M. J. Lamothe, Terry J. Klopfenstein, Don C. Adams, M. D. Ullerich
Estimation Of Undegradable Intake Protein In Forages Using Neutral Detergent Insoluble Nitrogen At A Single In Situ Incubation Time Point, H. L. Haugen, M. J. Lamothe, Terry J. Klopfenstein, Don C. Adams, M. D. Ullerich
Department of Animal Science: Faculty Publications
Two experiments were conducted to evaluate the use of neutral detergent insoluble nitrogen (NDIN) at a single in situ incubation time point to estimate the undegradable intake protein (UIP) in forages as well as to compare rates of NDIN degradation. Forage samples in Exp. 1 comprised diet samples collected from range and meadow pastures monthly from May through September. In Exp. 2, clipped samples of alfalfa, birdsfoot trefoil, kura clover, and smooth bromegrass, and diet samples of the mixed legume-grass and smooth bromegrass were evaluated. Forage samples were incubated in situ for their mean retention time (MRT) estimated from IVDMD …