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Articles by Whit Stewart
Extension Education: Understanding and Reducing Early Pregnancy Loss in Ewes
By Dr. Whit Stewart and Micah Most Many sheep producers have experienced the frustration of scanning a ewe flock in mid-pregnancy with high expectations, only to find later the lambing percentage doesn’t quite match the scanning results. Where do those “missing lambs” go? Research on fetal loss in sheep provides important lessons about management, nutrition and why what happens in the first trimester of pregnancy matters so much.
Maximizing Flock Potential: The Power of Data, Genetics and Wyoming’s Premier Programs
By Dr. Whit Stewart As lambs are being weaned and sold – and with upcoming ram sales on the horizon – it’s the perfect time to reflect on our flock’s productivity. Depending on how this year’s flock performed and current market prices, the urgency we feel to make improvements can vary.
Considerations for purchasing and managing rams
By Whit Stewart There are approximately 215,000 breeding ewes in Wyoming, according to U.S. Department of Agriculture’s National Agricultural Statistics Service 2020 Report. Assuming a ram-to-ewe breeding ratio of three rams per 100 ewes, there will be roughly 6,456 rams utilized during this year’s breeding season. An estimated 30 percent replacement rate of rams would mean roughly 1,936 young rams are being purchased to replenish the annual turnover rate in rams.
Meeting Late Season Grazing Gaps for Sheep with Sudangrass and Sorghum×Sudangrass Hybrids
By Whit Stewart and Anowar Islam Market timing of feeder lambs is largely determined by forage resources or lack thereof for many sheep enterprises in the Intermountain West and Northern Plains. With record lamb prices and widespread drought, contingency planning to meet forage gaps in the late summer forage production should be considered now. Warm season annuals such as sorghum-sudan hybrids and sudangrass might be considered, especially with the hot and dry weather forecast for this summer.
Wyoming sheep producers should be on the lookout for keds
By Whit Stewart Wyoming’s premier wool clip is a major source of pride for the state’s sheep industry. The clip ranks second overall in total wool production, at 2.3 million pounds, with the greatest total value across all 50 states, according to the U.S. Department of Agriculture’s National Agricultural Statistics Service. Wyoming’s reputation as the wine country of wool is not fable, but a unique strength to the state’s sheep industry.
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