Grazing management field day June 16 near Dayton

Portrait of Blaine horn
Blaine Horn

Identifying important rangeland plants, how soils affect what grows and learning about animal unit months and days are part of a grazing management field day Saturday, June 16, at the Amsden Creek Wildlife Habitat Management Area near Dayton.

The free sessions are 10 a.m.-3 p.m., said Blaine Horn, University of Wyoming Extension educator.

Morning topics are rangeland plant identification and their growth characteristics, if they are palatable to livestock and how they respond to grazing; and how soil characteristics affect what plants are present and how well they grow. There is a soil texturing activity.

Afternoon sessions are rangeland production and what the allowable amount for livestock and horse grazing would be and why, with hands-on assessments; the daily amount of forage livestock require and how this relates to Animal Unit Months and Animal Unit Days; a hands-on activity to determine the area needed to provide an AUD’s amount of forage; grazing management practices to maintain or improve condition, better use of the forage resources and animal production improvement.

Registration is requested by Wednesday, June 13. Bottled water and soda will be provided but attendees should bring a sack lunch. Contact Horn at 307-684-7522 to register or for more information.

UW president special guest at sixth annual forage field day near Lingle

Photograph of Anowar Islam speaking to field day attendees
Anowar Islam, University of Wyoming Extension forage specialist

University of Wyoming president Laurie Nichols is the special guest at the sixth annual forage field day Tuesday, June 12, near Lingle.

The day of presentations and workshops begins at 8 a.m. with registration and refreshments and concludes at 4:30 p.m., all at the James C. Hageman Sustainable Agriculture Research and Extension Center (SAREC), said Anowar Islam, forage specialist with the University of Wyoming Extension and who is coordinating the event.

“This year’s event is very demanding and farmer-focused, especially for those who want alfalfa and improved forages in their cropping/animal production systems and improve their yield, quality and profitability,” said Islam.

Lunch is free, and RSVPs are requested by June 1 by calling SAREC at 307-837-2000, Islam at 307-766-4151 or the Goshen County Extension Office at 307-532-2436. Registration is also available at

More than 11 presentations are planned.

“A wide range of forage-related topics will be covered by highly experienced experts including forage production and management, low lignin alfalfa, cover crops for forage, hay quality, soil health, weed control and irrigation management,” said Islam

A producer’s panel discussion is in the afternoon, with the forage field and equipment demonstration to follow. Seed suppliers and machinery dealership equipment demonstrations are planned.

Other field day topics include irrigation strategies; potassium and harvest management; alfalfa, forage sorghum, chickpea, grasses and other forages; and integrating livestock into cropping systems.

More information and a schedule are at Contact Islam at the above number for more information.

Long-term research shows domestic cattle resist oral exposure to Chronic Wasting Disease

Livestock in the Sybille Canyon pens.

Cattle fed extremely high oral doses of Chronic Wasting Disease-infected brain material or kept in heavily prion-contaminated facilities for 10 years showed no neurological signs of the disease.

The University of Wyoming’s Wyoming State Veterinary Laboratory (WSVL), Colorado Division of Parks and Wildlife and the Wyoming Game and Fish Department (WGFD) collaborated in the $1.5 million study. Results will be published in the July issue of the Journal of Wildlife Diseases.  Details of the study are available at

As part of the experiment, 41 calves were randomly distributed to WGFD pens in Sybille Canyon in Wyoming, Colorado Division of Wildlife pens in Fort Collins, the WSVL and 18 to the National Animal Disease Center in Ames, Iowa.

“It was an elegant experiment in many ways,” said Hank Edwards, WGFD wildlife disease specialist. “You were taking cattle and housing them with heavily infected CWD elk and facilities. If CWD was going to jump the species barrier, it was likely you would see something in these cattle that had laid out in the pens for 10 years. That’s a big deal.”

The late Beth Williams, a veterinary sciences professor at UW, initiated the study. Authors of the article continued the research after she and husband, Tom Thorne, were killed in a motor vehicle crash in December 2004.  Thorne had served as acting director of the WGFD and had also conducted CWD research.

Authors of the article are Donal O’Toole, a professor in the UW Department of Veterinary Sciences, which operates the WSVL; Michael Miller, a veterinary epidemiologist with the Colorado Division of Parks and Wildlife; Terry Kreeger, a wildlife veterinarian with the WGFD; and Jean Jewell, a molecular biologist with the WSVL. Williams is listed as lead author.

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University of Wyoming hosting Unmanned Aerial Vehicle symposium

            Recent developments in drone usage along with technology challenges, acquiring data and legal issues are among topics at the Unmanned Aerial Vehicle (UAV) Symposium at the University of Wyoming.

Sessions are Wednesday-Thursday, May 30-31, at the University of Wyoming Convention Center in the Hilton Garden Inn.

Experts and users of drone technology will share experiences on developments in hardware and software along with applications in agriculture, geology, photogrammetry, communications and many more, said Ramesh Sivanpillai, research scientist in the Wyoming Geographic Information Science Center (WyGISC) on campus.

WyGISC is hosting the event. Visit for a complete list of speakers, topics and to register.

Cameras and sensors onboard drones acquire images and videos providing valuable information for agricultural producers, foresters, hydrologists, geologists, meteorologists, city planners, real estate agents and others.

But collecting images is more than deciding what drone model to buy and how much to spend, he said.

“One has to carefully plan for the amount and type of images to collect, obtain adequate resources to post-process those data, and most importantly, stay within the legal requirements while these UAVs are in the air,” said Sivanpillai.

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Agricultural emergency response training meeting near Laramie

A meeting to train for and improve planning for agricultural disasters in southeast Wyoming is Wednesday, May 23, near Laramie.

The free training is 10 a.m.-4 p.m. at the Laramie Research and Extension Center, 470 Highway 230. The program is a collaborative effort between the extension services of the University of Wyoming, Colorado State University and Montana State University, and the USDA, said Scott Cotton, UW Extension educator and delegate to the Extension Disaster Education Network.

He said the training is focused toward agricultural producers, law enforcement, firefighters, public health officials, county commissioners, veterinarians and others related to agriculture or emergency management.

The meeting addresses emergencies and disasters that could affect agriculture and rural communities.

The program includes:

* Disaster issues specific to the region.

* Livestock transportation accident response.

* Information on working with the emergency manager.

* Animal identification and diseases related to disasters.

* FEMA training on disease outbreaks at fairs and exhibitions.

The program is one of several this spring across Wyoming. The Wyoming Stock Growers Association and Wyoming Wool Growers Association are among groups supporting the meetings that look at agriculture in individual counties to develop better emergency mitigation efforts, said Cotton.

The seminar includes FEMA-certified exercises for emergency responders and peace officer credit hours. To register and for more information, go to https://www.eventbrite.comand type in Laramie, Wyoming, in the “City or location” search field to find “Ag Disaster Training for County Agencies in Laramie, WY”.

Contact Cotton at 307-235-9400 or for more information.