Exam (elaborations) ANSC 4394

As fed (wet ; fresh) CORRECT ANSWER -- expression of nutrient concentration of a feedstuff in the wet form of that feedstuff Dry Matter (moisture free) CORRECT ANSWER -- expression of nutrient concentration of a FS in the dry form of that FS *we prefer this* Air dry (approx 90% DM) CORRECT ANSWER -- expression of nutrient concentration in a FS in a 90% DM basis -For dry grains and air : air dry = as fed Conversion calculation CORRECT ANSWER - %nutrient as fed/%feed dry matter=%nutrient dry matter/100% dry matter Conversion CORRECT ANSWER -- changing nutrient concentration of all feedstuffs to be compared to a dry matter basis allows a ccurate comparisons of nutrient concentration of all various feedstuff -differences in % moisture invalidates the comparison of feedstuffs on an as fed basis -the moisture effectively dilutes the concept of nutrients in the FS AF to DM CORRECT ANSWER -nutrient content increases, weight decreases DM to AF CORRECT ANSWER -nutrient content decreases and weight increases