Wyoming sheep and lamb producers lost 45,000 animals to weather, predators, disease, and other causes during 2023, representing a total value of $10.08 million, according to a survey conducted by the USDA National Agricultural Statistics Service. This study was undertaken at the request of the Wyoming Wool Growers Association who also provided funding.
The total number of sheep and lambs lost was 3,000 head more than last year and the total value of inventory lost was 25.4 percent more than a year ago. The January 1, 2023, inventory totaled 335,000 head. The lamb crop for 2023 was estimated at 220,000 head. Lambs lost before docking during 2023 equaled 20,000 head. Sheep and lamb deaths for 2023 amounted to 7.8 percent of the 2023 sheep and lamb supply (inventory plus lamb crop plus lambs lost before docking; 575,000 head).
The number of sheep and lambs lost to all predators totaled 21,300 head, down 500 head from last year. Lamb losses by all predators amounted to 19,700 head, up 5.9 percent from last year. The number of sheep lost to all predators totaled 1,600 head, down 1,600 head from a year ago. Predators caused an estimated $4.71 million in losses in 2023, up 7.4 percent from the previous year. Losses due to predators amounted to 3.7 percent of the 2023 sheep and lamb supply and 47.3 percent of all sheep and lamb deaths. Coyotes remained the largest predator for both sheep and lambs, accounting for 65.3 percent of the predator caused losses and 30.9 percent of all death losses in the state. The value of losses attributed to coyotes was $3.08 million.
The total value of non-predatory losses was $5.37 million in 2023, compared with $4.23 million in 2022. Non-predatory losses accounted for 52.7 percent of all losses. The largest known non-predatory cause of losses was due to weather conditions, at 17,900 head. Sheep lost to non-predatory factors totaled 10,400 head, up 52.9 percent from 2022. Non-predatory lamb losses came in at 13,300 head, 100 head less than a year ago. Lambs lost to all unknown causes totaled 1,900 head, compared with 1,700 head last year. Unknown causes claimed 400 sheep, compared with 1,100 head last year.
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WY-NASS
