What can happen when cattle eat toxic Johnsongrass?

Rosslyn Biggs, DVM, gives a quick overview of the potentially deadly effects of prussic acid. If livestock eat Johnsongrass with a fatal amount of prussic acid toxicity, their blood becomes filled with oxygen that cannot be absorbed by cells. Toxicity levels are highest after drought and frost. https://extension.okstate.edu/article... Learn more in this OSU Extension fact sheet: https://extension.okstate.edu/fact-sh... Contact your local OSU Extension county office for forage testing: https://extension.okstate.edu/county SUNUP is a weekly production agriculture show that airs Saturdays at 7:30 a.m. and Sundays at 6 a.m. on OETA-TV (PBS) all across Oklahoma. The show is produced by the Division of Agricultural Sciences and Natural Resources at Oklahoma State University, Copyright 2022.