Dry Crotalaria saltiana shoots were fed to strain ASL mice at 50, 10 and 1% of the diet. Feeding of Crotalaria shoots at 50 and 10% produced toxicity and death after 7 to 29 days. The signs of Crotalaria poisoning were inappetence, dullness, dyspnea and recumbency. The main lesions were necrosis,