Grant R, Basson P A, Booker H H, Hofherr J B, Anthonissen M
Central Veterinary Laboratory, Windhoek, Namibia.
J S Afr Vet Assoc. 1991 Mar;62(1):21-2.
Six of 21 goats feeding on fresh avocado (Persea americana) leaves from pruned trees, showed clinical signs of cardiac distress. Some sheep subsequently dosed experimentally at different dosage rates with the same and other avocado varieties, showed clinical signs of respiratory or cardiac distress and myocardial lesions at autopsy.
21只以修剪过的树上新鲜鳄梨（牛油果，学名Persea americana）叶为食的山羊中有6只出现了心脏不适的临床症状。随后，一些绵羊以不同剂量率对相同及其他品种的鳄梨进行试验性投喂，这些绵羊在尸检时出现了呼吸或心脏不适的临床症状以及心肌损伤。
