You are the manager of a 40 head broodmare farm. The mare’saverage weight is 1,000 lbs. ➢ You know the mares in earlylactation require: 28.3 Mcal DE, 3 lbs Crude protein, 50 g Ca, 34 gP. ➢ You go to the local feed store and purchase a feed that sellsof $8.50/50 lb bag. ➢ The nutrient make up of the feed is: 13.5%CP, 0.5% Ca, and 0.44% P. By the fiber content you estimate the DEto be around 1.3 Mcal/lb. ➢ You feed 1% bwt in grass hay (7% CP,0.8 Mcal DE/lb, 0.4% Ca, 0.2% P) A. How much of the commercial feedmust you feed to meet the mares’ requirements (per head, per day)?21.76 B. If the hay costs $40/ton, what is the monthly cost to feedthese 40 mares, in early lactation (grain cost is given above)? a.Hay b. Grain c. Total
