Corn Silage – Facts, Fantasies and the Future

Advanced Corn Silage Production 605. Circle all correct answers and Discuss. 1. With corn silage, high grain yield reduces fiber production per acre. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 2. Delaying harvest decreases digestibility of NDF from corn silage. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 3. More mature corn silage has less NDF only because it is diluted by starch. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 4. Digestibility of starch decreases markedly as maturity at harvest increases. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 5. Corn silage that contains 30% starch (DM basis) has too much starch. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 6. In vitro NDF digestibility is a useless measurement. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 7. Milk line accurately reflects moisture content of corn plants. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 8. Yield of corn silage DM reaches a maximum at 35% DM. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 9. To maximize net energy for lactation, corn silage should have 35% DM. a. True. b. Likely. c. Doubtful. d. False. e. Conditional. 10. At what DM should corn be harvested for silage? a. 30%. b. 32%. c. 35%. d. 38%. e. I don’t know. It depends!