Scott Duggan

Scott Duggan

Livestock

541-447-6228
[email protected]

Expertise: Beef cattle , Horses , Swine , Pasture and forages

Locations: Confederated Tribes of Warm Springs , Crook County , Deschutes County , Jefferson County , Central Oregon Agricultural Research and Extension Center

Content by Scott Duggan

Management of grasshoppers and Mormon crickets on rangeland and pastures

Learn how Eastern Oregon ranchers can protect forage from pest outbreaks. Discover when populations exceed thresholds, how treatments are coordinated across large areas and which chemical tools provide cost-effective relief while minimizing environmental impact.

Will Price, Scott Duggan, Sergio Arispe | Jun 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Clinics help manage wild horse populations on Warm Springs tribal lands

The Warm Springs community benefits through improved rangeland health, reduced wildfire risk, and better conditions for wildlife and livestock.

Scott Duggan | Mar 2025 | Impact story

Extension calving education supports Oregon producers

Education on helping cows give birth, known as calving, can significantly boost Oregon's economy.

Scott Duggan | Feb 2025 | Impact story

Inland Pacific Northwest Pasture Calendar

Plan your grazing season with this month-by-month pasture guide for the Inland Northwest. Learn when and how to manage forage for healthy, productive livestock.

Steve Fransen, Sergio Arispe, Mylen Bohle, Brendan Brazee, Scott Duggan, Richard Fleenor, Tipton Hudson, Richard Koenig, Scott Jensen, Donald A. Llewellyn, Amanda Moore, Ian McGregor, J. Shannon Neibergs, Steve Norberg, Ian Reid, Joseph Sagers, Glenn Shewmaker, Christy Tanner, Guojie Wang, Ashlee Westerhold, Carmen Willmore | Mar 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Horse Owner's Guide to Buying Hay

Horse owners must know how to evaluate and buy good-quality hay. Learn about the horse's digestive system and nutrient requirements.

Gordon B. Jones, Scott Duggan, Melissa Fery, David Hannaway | Mar 2024 | OSU Extension Catalog Peer reviewed (Orange level)

Understanding Sugar and Nonstructural Carbohydrates in Equine Pasture and Hay

High concentrations of nonstructural carbohydrates in forages can cause health problems for some horses and other domesticated equines like ponies, donkeys, and mules. Learn about the role, levels and management options of NSC in forage plants for limiting NSC intake in horses.

Gordon B. Jones, Shayan Motazedi Ghajar, Scott Duggan, Melissa Fery | Nov 2023 | OSU Extension Catalog Peer reviewed (Orange level)

OSU Extension partners with Warm Springs to protect horses from equine infectious anemia

The clinics help eliminate access barriers and protect animal health across the region.

Scott Duggan | Aug 2023 | Impact story

A horse owner's guide to pasture-associated laminitis

The key to preventing laminitis in your horses is to regulate their time grazing on grass high in nonstructural carbohydrates. Inadequate exercise is another cause of this painful hoof condition.

Scott Duggan, Troy Downing | Jun 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Beef Cow-Calf Management Guide

Raising cattle for profit requires a detailed management plan that sets production goals and timelines days, weeks and even years in advance. These guidelines for health, nutrition and reproductive management will help beef cattle producers make critical decisions.

Scott Duggan, Gene Pirelli, Charles Estill, Juliana Ranches, Dale W. Weber | Aug 2021 | OSU Extension Catalog Peer reviewed (Orange level)

Care and Management of New Feeder Pigs

You can keep your pigs healthy and gaining weight by following some key recommendations. In this publication you'll learn about housing, feeding, and health considerations when raising feeder pigs, both for a ...

Gene Pirelli, Dale W. Weber, Scott Duggan, Melissa Fery, Nathan Parker | Jun 2023 | OSU Extension Catalog Peer reviewed (Orange level)

Managing small-acreage horse farms in Western Oregon and Western Washington

These seven steps can make your horse farm safe, efficient and environmentally friendly. Learn about horse grazing habits, pasture rotation, weed control, manure management and well water protection.

Melissa Fery, David Hannaway, Garry Stephenson, Linda Brewer, Scott Duggan | Jun 2024 | OSU Extension Catalog Peer reviewed (Orange level)

The cryptosporidium parasite and its effect on calves and humans

Cryptosporidiosis is a zoonotic disease, meaning transmission from sick calves to humans is possible. It causes diarrhea, abdominal cramps, dehydration, headaches, vomiting, fever, malaise and muscle cramps. If medical attention is not administered, death can occur in severe cases.

Scott Duggan | Jun 2024 | OSU Extension Catalog Peer reviewed (Gray level)

Poison hemlock and Western waterhemlock: Deadly plants that may be growing in your pasture

Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.

Scott Duggan | Apr 2024 | OSU Extension Catalog Peer reviewed (Gray level)

How can I prevent ticks on my horses?

Q: I have 2 horse on 5 irrigated acres NE Bend, Deschutes county. I have been pulling ticks off them for a few weeks. I dewormed with an Ivermectin which kills any that were attached at the time, but more climb on and ...

A: View answer | View all featured questions

Managing small-acreage horse farms in Central and Eastern Oregon

Learn best practices for managing horses, pastures and manure on small-acreage farms in Eastern and Central Oregon, promoting environmental stewardship and operational efficiency.

Garry Stephenson, David Hannaway, Mylen Bohle, Linda Brewer, Ellen Hammond, Cory Parsons, Peter Schreder, Melissa Fery, Scott Duggan, Gordon B. Jones | Aug 2025 | OSU Extension Catalog Peer reviewed (Orange level)

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