General information: 1 breed, AngusUse the ionophore and implant option on managementAssume yearling calf is 15 monthsUse the following inputs for the feeds (VERY IMPORTANT) to ensure accurate information in the output. You must modify these and make sure that they are correct before you even start.

% TDN, DM % CP, DM % RDP (% of CP) RUP digestibility Dry corn grain 88 8.4 40 90 Wet DGS 108 32 40 80 Urea 287 100 Alfalfa 60 16 82 35 Soybean meal 88 49.9 70 90 Limestone salt a. Is a yearling that weighs 780 Ibs when started and 1500 when finished (and use 1450 for mature weight) ever deficient in protein when fed a 88.9% DRC, 7.5% alfalfa, 1.1% urea, 2.5% minerals diet if the steer is consuming 21 Ibs DM when started and intake increases linearly to 25 lbs of DM when finished? Assume 185 days on feed and ADG is 10% greater than average at the start, and 10% lower than average at the end. Give RDP, MP requirements and supplies and balance in g/day in the table below. b. What happens if you add 18% WDGS and remove all the urea? c. Do you need to add urea if adding 25% WDGS? a Weight, RDP MP MP lbs required supplied required b Weight, DMI ADG RDP RDP MP MP lbs supplied required supplied required