AN SC 301 Midterm: AnSc 301 Exam 2 Study Guide
3 Dec 2016
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An sc 301 - exam 2 study guide. C3 grass - more nutritious, cool season grass, more h2o and co2. C4 grass - warm season grass, less h2o and co2. Pros: higher yields, higher crude protein, predictable qty. Cons: requires deep soil, replant every 3-6 yrs. Rhizobia and legumes: symbioti(cid:272) (cid:396)elatio(cid:374)ship n2 nh4+ Fruits and roots are more digestible & have greater nutritional quality. Main factors that affect nutritive value of forages. Some selected for quality vs yield (many selected to improve quality) More leaves = better (more nutritious, higher protein) In the presence of heat and water, the carboxyl group (cooh) of a sugar is bound to free amino end of lysine. If heat is not excessive, the bond is broken in acidic conditions of the abomasum and the. Aa is available for the si - by-pass protein. If heat is excessive, an artificial indigestible polymer is formed - heat damaged protein.
