Poisoning of 7-day-old broiler chickens with a low dose of heliotrine (10 mg/kg/day for 3 days) produced retarded rate of growth in male and female birds for a period of 14 to 21 days. Liver lesions in the majority of birds were not apparent grossly and were minimal microscopically. There was no
Plants producing dehydropyrrolizidine alkaloids (DHPAs) are found throughout the world and they are dangerous to human and animal health. Several DHPAs are carcinogenic but only riddelliine has been classified as a potential human carcinogen by the National Toxicology Program. As DHPA-related