Lupinosis Liver Disease Quiz

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What is the primary cause of lupinosis in livestock?

Ingestion of lupine plants infected with Diaporthe toxica (correct)

Intake of lupine plants with high zinc content

Exposure to mold spores in contaminated hay

Consumption of bitter lupines containing alkaloids

Which country has reported cases of lupinosis besides Australia and South Africa?

India

China

Brazil

New Zealand (correct)

What is a characteristic symptom of lupinosis in livestock?

Skin lesions and hair loss

Nervous system abnormalities

Respiratory distress and fever

Anorexia and jaundice (correct)

How do Phomposis-resistant lupines contribute to reducing lupinosis?

By decreasing the occurrence of the disease Signup and view all the answers

What is the role of zinc supplementation in treating lupinosis?

Reducing liver damage Signup and view all the answers

How does lupinosis differ from lupine poisoning in livestock?

Lupinosis causes liver injury and jaundice, while lupine poisoning results in a nervous syndrome Signup and view all the answers

What is the aim of the treatment for animals affected by lupinosis?

To administer injectable vitamin B12 and oral doses of zinc Signup and view all the answers

Which country primarily experiences the effects of lupinosis in sheep?

Australia Signup and view all the answers

What are the clinical signs of lupinosis in animals?

Jaundice and lethargy Signup and view all the answers

How can sheep be protected against liver injury induced by phomopsins?

Administering oral doses of zinc Signup and view all the answers

What is the recommended practice for sheep management after harvest?

Providing young stock access to lupine seeds before grazing stubble Signup and view all the answers

How can diagnosis of lupinosis be confirmed in animals?

By determining consumption of moldy lupine stubble and elevated liver enzyme activity Signup and view all the answers

What is the causal fungus responsible for lupinosis in livestock?

Diaporthe toxica Signup and view all the answers

When does lupinosis primarily occur in livestock?

Summer and autumn Signup and view all the answers

What are some early clinical signs of lupinosis in sheep and cattle?

Inappetence and listlessness Signup and view all the answers

What is a common sequela in pregnant cattle or recently calved cows affected by lupinosis?

Ketosis Signup and view all the answers

What secondary complication can arise from acute liver damage due to lupinosis?

Hepatic encephalopathy Signup and view all the answers

How do animals with lupinosis-associated myopathy typically present?

Photosensitive with skeletal muscle myopathy Signup and view all the answers

What are some characteristic gross pathological lesions associated with lupinosis?

Enlarged, orange-yellow, fatty livers Signup and view all the answers

What changes are observed in animals with lupinosis-associated myopathy besides increased creatine kinase activities?

Increased magnesium concentration Signup and view all the answers

What is a common characteristic of the livers in chronic cases of lupinosis?

Small, hard, coppery to tan in color Signup and view all the answers

What is one of the potential findings in the brain of animals affected by lupinosis?

Spongiform lesions Signup and view all the answers