Charles.Estill [at] oregonstate.edu Office:
Nutritional influences on ruminant nutrition; manipulation of reproductive cycles (especially swine); grass toxicant effects on ruminants; sexual differentiation of the ruminant brain.
At OSU
Professional Accomplishments
Education:
Ph.D. Reproductive Physiology, North Carolina State University, 1994
DVM, University of Pennsylvania, 1976
B.S. Zoology, Colorado State University, 1972
My Publications
Outreach and Extension
Extension Service Site Publications (2023) Over-the-counter sale of livestock antibiotics ends June 11, 2023. How can you prepare? Federal rules in 2023 end the over-the-counter sale of some livestock antibiotics. You will need prescriptions from a veterinarian to treat your animals. (2021) 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. (2021) Beef Cow-Calf Management Guide (2021) Mitigation of Pain for Calves Undergoing Routine Procedures - Charles Estill (2019) Is this a bot fly larvae, is my family at risk? (2018) OSU Calving School Handbook This handbook focuses on the calving process, illustrating and explaining the mechanisms associated with this event, in addition to providing information and management options to alleviate the incidence of calving difficulties. (2016) PEDv Vaccination An analysis of the effects of the PEDv Vaccine by Zoetis. (2011) Artificial Insemination of Goats Why AI?; Synchronization of estrus; Semen handling; Semen storage and shipping; AI equipment; AI techniques (2016) Protecting pigs from porcine epidemic diarrhea virus Porcine epidemic diarrhea virus is a viral disease that mostly affects young piglets and has a mortality rate as high as 100 percent. The virus suddenly appeared in the US in 2013 and has since been identified in Oregon. (2018) Vaccinations for pigs: Should I jump on the Circovirus 2 bandwagon? Porcine circovirus disease is increasingly prevalent in the U.S. The National Pork Board and the American Association of Swine Veterinarians have issued recommendations to reduce the effects of PCVAD. The appearance of PCVAD is often associated with environmental stress on the pigs. (2018) Vigilance required to contain deadly pig disease The porcine epidemic diarrhea virus is a highly contagious disease with a high mortality rate that affects mostly young pigs. Learn about the virus's history, clinical signs, prevention, treatment and transmission. (2016) Porcine epidemic diarrhea virus poses deadly threat to piglets The porcine epidemic diarrhea virus was confirmed to have spread to Oregon in 2016 after being first detected in the US in 2013. The virus largely affects young piglets and has a mortality rate as high as 100 percent. (2018) Care of Newborn Pigs and Post-Farrowing Sows Presentation presented at Oregon Pork Producers Spring Conference about Care of Newborn Pigs and Post Farrowing Sows. (2018) Swine Health Presentation on how to keep swine healthy. (2018) Porcine Epidemic Diarrhea Virus Informative guide to Porcine Epidemic Diarrhea Virus including symptoms, transmission, treatment and prevention. This disease recently appeared in the US and is spreading rapidly. (2016) The Veterinary Feed Directive: Questions and Answers for Oregon Livestock Producers (2015) Is beef with liver flukes safe to eat?
