This ratio should be kept at approximately 2 or 2.5 to 1 in order to prevent urinary calculi. Urea and dust may have a similar implication in the prolapse problem. Urea should not provide more than 15 percent to 25 percent of the total crude protein in fattening rations. Trace Minerals Sheep are sensitive to trace mineral imbalances, much more than cattle are. Supplements that use poultry manure contain high copper levels, so special attention must be paid to trace mineral levels when these products are fed.
Selenium also is of concern, especially in areas that have a high incidence of white muscle disease.
Vitamins for 70-pound finishing lambs. Essentially, two feeding methods exist for finishing lambs. One is a perimeter, or fence-line, feeding. Feed efficiency also improved significantly with self-feeding. 3.27 3.53 FE 5.64 4.71 Starting Lambs on Feed Timing the start of lambs on feed is critical in feeder-lamb management.