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Evaluating 45 Years Of Collaborative Range Livestock Education, Melanie Heaton, Andrew Brischke, Ben Scow Jul 2024

Evaluating 45 Years Of Collaborative Range Livestock Education, Melanie Heaton, Andrew Brischke, Ben Scow

Outcomes and Impact Quarterly

The Arizona/Utah Range Livestock Workshop & Tour builds cooperation and understanding between public land grazing permittees and federal agency personnel through science-based education. The workshop provides information on livestock production practices and addresses controversial grazing issues in a non-confrontational environment. Topics range from animal handling, vaccination, and health to solar development, partnering with public land agencies, and recreation effects.


Comparison Of Sheep And Goats To The Acute Toxic Effects Of Foothill Death Camas, Kevin D. Welch, Stephen T. Lee, Clint A. Stonecipher, Dale R. Gardner, Daniel Cook Jun 2024

Comparison Of Sheep And Goats To The Acute Toxic Effects Of Foothill Death Camas, Kevin D. Welch, Stephen T. Lee, Clint A. Stonecipher, Dale R. Gardner, Daniel Cook

Poisonous Plant Research (PPR)

Death camas (Zigadenus spp) is a perennial forb found throughout the western United States, which is known to kill both sheep and cattle. In a previous study, goats appeared to be somewhat resistant to the adverse effects of death camas. Therefore, the objective of this study was to directly compare the susceptibility of goats and sheep to the acute toxic effects of death camas. Sheep and goats were dosed at 0.5, 1.0, 2.0, 4.0, and 6.0 g death camas per kg BW. The data presented in this manuscript suggest that goats are more susceptible to death camas than sheep. …


Toxicosis From Range Lupine Ingestion In A Research Herd Of Rafter 7 Merino Sheep, Benjamin J. Weigler, Walter F. Mandeville Iii, Scott Huber, Gary Mccuin, Fabrizio Caragena, Daniel D. Cook, Stephen T. Lee, Chris A. Pritsos Jun 2024

Toxicosis From Range Lupine Ingestion In A Research Herd Of Rafter 7 Merino Sheep, Benjamin J. Weigler, Walter F. Mandeville Iii, Scott Huber, Gary Mccuin, Fabrizio Caragena, Daniel D. Cook, Stephen T. Lee, Chris A. Pritsos

Poisonous Plant Research (PPR)

An outbreak of lupine alkaloid neurotoxicosis and death occurred in sheep grazed on rangeland areas of the Nevada Great Basin during the summer of 2023. Overall, 97 sheep died despite veterinary supportive care. Lupinus argenteus var. utahensis was implicated as the causative plant with high levels of lupanine (11.5 µg/mg) and spartiene (13.7 µg/mg) in collected and archived samples. Previous reports of sheep deaths due to lupine ingestion have not been recorded in this region. An increased abundance of the number plants producing seed pods having a high alkaloid content may have been associated with abnormally elevated levels of precipitation …


Cattle Toxicity From Woolly Locoweed (Astragalus Mollissimus): A Case Study In Central New Mexico, Casey N. Spackman, Clint A. Stonecipher, Daniel Cook Jun 2024

Cattle Toxicity From Woolly Locoweed (Astragalus Mollissimus): A Case Study In Central New Mexico, Casey N. Spackman, Clint A. Stonecipher, Daniel Cook

Poisonous Plant Research (PPR)

Livestock toxicity resulting from poisonous plants poses a significant challenge for ranchers, particularly concerning locoweeds (Astragalus spp. or Oxytropis spp.). This study investigated a case of cattle poisoning in central New Mexico, where clinical signs were consistent with locoweed toxicity. Rangeland conditions were hot and dry following earlier spring rains, promoting advantageous environmental conditions for a locoweed outbreak. Analysis of Woolly locoweed (Astragalus mollissimus) and animal samples from the ranch confirmed the presence of swainsonine, a key toxin in locoweeds. It can be concluded that the likely cause of cattle losses was locoweed toxicity, highlighting the …


Providing Pest Management Education For Home Gardeners In Utah, Nick Volesky, Marion Murray Apr 2024

Providing Pest Management Education For Home Gardeners In Utah, Nick Volesky, Marion Murray

Outcomes and Impact Quarterly

In January 2024, Utah State University (USU) Extension's Integrated Pest Management (IPM) program launched a three-part class series targeting Utah's home gardeners. The goal was to enhance their abilities in identifying and managing insect and plant diseases. With over 200 participants, the series notably increased the knowledge of attendees. This initiative aligns with the USU Extension IPM program's mission to promote sustainable pest management practices across Utah, evidencing its commitment to environmental stewardship and community education.