22 Questions
What is the primary cause of lupinosis in livestock?
Ingestion of lupine plants infected with Diaporthe toxica
Which country has reported cases of lupinosis besides Australia and South Africa?
New Zealand
What is a characteristic symptom of lupinosis in livestock?
Anorexia and jaundice
How do Phomposis-resistant lupines contribute to reducing lupinosis?
By decreasing the occurrence of the disease
What is the role of zinc supplementation in treating lupinosis?
Reducing liver damage
How does lupinosis differ from lupine poisoning in livestock?
Lupinosis causes liver injury and jaundice, while lupine poisoning results in a nervous syndrome
What is the aim of the treatment for animals affected by lupinosis?
To administer injectable vitamin B12 and oral doses of zinc
Which country primarily experiences the effects of lupinosis in sheep?
Australia
What are the clinical signs of lupinosis in animals?
Jaundice and lethargy
How can sheep be protected against liver injury induced by phomopsins?
Administering oral doses of zinc
What is the recommended practice for sheep management after harvest?
Providing young stock access to lupine seeds before grazing stubble
How can diagnosis of lupinosis be confirmed in animals?
By determining consumption of moldy lupine stubble and elevated liver enzyme activity
What is the causal fungus responsible for lupinosis in livestock?
Diaporthe toxica
When does lupinosis primarily occur in livestock?
Summer and autumn
What are some early clinical signs of lupinosis in sheep and cattle?
Inappetence and listlessness
What is a common sequela in pregnant cattle or recently calved cows affected by lupinosis?
Ketosis
What secondary complication can arise from acute liver damage due to lupinosis?
Hepatic encephalopathy
How do animals with lupinosis-associated myopathy typically present?
Photosensitive with skeletal muscle myopathy
What are some characteristic gross pathological lesions associated with lupinosis?
Enlarged, orange-yellow, fatty livers
What changes are observed in animals with lupinosis-associated myopathy besides increased creatine kinase activities?
Increased magnesium concentration
What is a common characteristic of the livers in chronic cases of lupinosis?
Small, hard, coppery to tan in color
What is one of the potential findings in the brain of animals affected by lupinosis?
Spongiform lesions
Test your knowledge about lupinosis, a liver disease in animals caused by ingesting lupine plants infected with Diaporthe toxica. Learn about the symptoms, susceptible species, and the impact of Phomposis resistance on reducing the disease occurrence.
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