Endocrine and respiratory responses to ergotamine in Brahman and Hereford steers

• Published in: Veterinary and human toxicology Vol. 44; no. 3; p. 149
• Main Authors: Browning, Jr, Richard, Thompson, Frederick N
• Format: Journal Article
• Language: English
• Published: United States 01.06.2002
• Subjects: Animals; Breeding; Cattle - classification; Cattle Diseases - physiopathology; Endocrine System - drug effects; Ergotamine - poisoning; Festuca - poisoning; Hydrocortisone - blood; Insulin - blood; Plant Poisoning - physiopathology; Plant Poisoning - veterinary; Respiratory System - drug effects; Species Specificity; Triiodothyronine - blood

Ergot alkaloids are considered causative agents of fescue toxicosis, a syndrome experienced by cattle consuming tall fescue (Festuca arundinacea) infected with the fungal endophyte Neotyphodium coenophialum. One sign of fescue toxicosis in cattle is severe hyperthermia. This study assessed hormonal...