Lupinosis Liver Disease Quiz
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Questions and Answers

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?

<p>By decreasing the occurrence of the disease (D)</p> Signup and view all the answers

What is the role of zinc supplementation in treating lupinosis?

<p>Reducing liver damage (B)</p> Signup and view all the answers

How does lupinosis differ from lupine poisoning in livestock?

<p>Lupinosis causes liver injury and jaundice, while lupine poisoning results in a nervous syndrome (C)</p> Signup and view all the answers

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

<p>To administer injectable vitamin B12 and oral doses of zinc (D)</p> Signup and view all the answers

Which country primarily experiences the effects of lupinosis in sheep?

<p>Australia (D)</p> Signup and view all the answers

What are the clinical signs of lupinosis in animals?

<p>Jaundice and lethargy (D)</p> Signup and view all the answers

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

<p>Administering oral doses of zinc (C)</p> Signup and view all the answers

What is the recommended practice for sheep management after harvest?

<p>Providing young stock access to lupine seeds before grazing stubble (C)</p> Signup and view all the answers

How can diagnosis of lupinosis be confirmed in animals?

<p>By determining consumption of moldy lupine stubble and elevated liver enzyme activity (C)</p> Signup and view all the answers

What is the causal fungus responsible for lupinosis in livestock?

<p>Diaporthe toxica (D)</p> Signup and view all the answers

When does lupinosis primarily occur in livestock?

<p>Summer and autumn (B)</p> Signup and view all the answers

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

<p>Inappetence and listlessness (D)</p> Signup and view all the answers

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

<p>Ketosis (A)</p> Signup and view all the answers

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

<p>Hepatic encephalopathy (B)</p> Signup and view all the answers

How do animals with lupinosis-associated myopathy typically present?

<p>Photosensitive with skeletal muscle myopathy (C)</p> Signup and view all the answers

What are some characteristic gross pathological lesions associated with lupinosis?

<p>Enlarged, orange-yellow, fatty livers (B)</p> Signup and view all the answers

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

<p>Increased magnesium concentration (B)</p> Signup and view all the answers

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

<p>Small, hard, coppery to tan in color (A)</p> Signup and view all the answers

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

<p>Spongiform lesions (A)</p> Signup and view all the answers

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