Podcast
Questions and Answers
Which animals are most susceptible to pyrrolizidine alkaloidosis?
Which animals are most susceptible to pyrrolizidine alkaloidosis?
- Young growing animals
- Cattle and horses
- Farmed deer and pigs (correct)
- Sheep and goats
What is the most common cause of pyrrolizidine alkaloidosis in animals?
What is the most common cause of pyrrolizidine alkaloidosis in animals?
- Seeds of yellow tarweed (A intermedia)
- Groundsel (S riddellii, S longilobus)
- Rattleweed (Crotalaria retusa)
- Senecio jacobaea (correct)
Under what conditions might grazing animals eat plants containing pyrrolizidine alkaloids?
Under what conditions might grazing animals eat plants containing pyrrolizidine alkaloids?
- During extremely lush pasture conditions
- When the plants are avoided under normal conditions
- During drought conditions (correct)
- When the plants are available as roughage
What is the most common manifestation of pyrrolizidine alkaloidosis in domestic animal species?
What is the most common manifestation of pyrrolizidine alkaloidosis in domestic animal species?
How do pyrrolizidine alkaloids primarily produce cytotoxic effects on target sites?
How do pyrrolizidine alkaloids primarily produce cytotoxic effects on target sites?
What may be the underlying cause of ongoing hepatic damage in cases of chronic exposure to pyrrolizidine alkaloids?
What may be the underlying cause of ongoing hepatic damage in cases of chronic exposure to pyrrolizidine alkaloids?
What are some common clinical signs in horses and cattle exposed to pyrrolizidine alkaloids?
What are some common clinical signs in horses and cattle exposed to pyrrolizidine alkaloids?
In chronic cases of pyrrolizidine toxicoses, how is the liver typically described?
In chronic cases of pyrrolizidine toxicoses, how is the liver typically described?
What is a characteristic histopathologic change that may occur in the liver due to pyrrolizidine alkaloidosis?
What is a characteristic histopathologic change that may occur in the liver due to pyrrolizidine alkaloidosis?
What is the mechanism of action of pyrrolizidine alkaloids after they are metabolized in the liver?
What is the mechanism of action of pyrrolizidine alkaloids after they are metabolized in the liver?
What may lead to sudden death in animals affected by acute intoxication from pyrrolizidine alkaloids?
What may lead to sudden death in animals affected by acute intoxication from pyrrolizidine alkaloids?
What clinical signs may be observed in horses affected by pyrrolizidine toxicoses?
What clinical signs may be observed in horses affected by pyrrolizidine toxicoses?
What are some less common clinical signs associated with pyrrolizidine toxicoses?
What are some less common clinical signs associated with pyrrolizidine toxicoses?
What is a potential outcome of chronic exposure to small doses of pyrrolizidine alkaloids?
What is a potential outcome of chronic exposure to small doses of pyrrolizidine alkaloids?
What can be a result of excessive hepatic copper stores in sheep exposed to pyrrolizidine alkaloids?
What can be a result of excessive hepatic copper stores in sheep exposed to pyrrolizidine alkaloids?
Which microscopic change is described as variable in livers affected by pyrrolizidine alkaloidosis?
Which microscopic change is described as variable in livers affected by pyrrolizidine alkaloidosis?
What pulmonary changes may occur in horses exposed to certain Crotalaria spp?
What pulmonary changes may occur in horses exposed to certain Crotalaria spp?
What is the method used for chemical analysis of whole blood to confirm recent exposure to toxic metabolites?
What is the method used for chemical analysis of whole blood to confirm recent exposure to toxic metabolites?
Which serum parameter may be increased in cases of hepatic cirrhosis?
Which serum parameter may be increased in cases of hepatic cirrhosis?
What is the most common method used for confirming toxin exposure based on the text?
What is the most common method used for confirming toxin exposure based on the text?
What is the characteristic histopathologic change observed in renal tissues of pigs affected by pyrrolizidine alkaloidosis?
What is the characteristic histopathologic change observed in renal tissues of pigs affected by pyrrolizidine alkaloidosis?
What is the primary method used for hepatic tissue assays to provide a definitive confirmation of toxin exposure?
What is the primary method used for hepatic tissue assays to provide a definitive confirmation of toxin exposure?
What is a potential outcome of hepatic cirrhosis caused by pyrrolizidine alkaloidosis?
What is a potential outcome of hepatic cirrhosis caused by pyrrolizidine alkaloidosis?
What is the primary form of support needed for animals affected by pyrrolizidine alkaloidosis?
What is the primary form of support needed for animals affected by pyrrolizidine alkaloidosis?
What may lead to further losses over several months in subclinically affected animals?
What may lead to further losses over several months in subclinically affected animals?
What is the potential consequence of further intake of toxic plant material?
What is the potential consequence of further intake of toxic plant material?
What is a recommended practice for preventing further outbreaks of pyrrolizidine alkaloidosis?
What is a recommended practice for preventing further outbreaks of pyrrolizidine alkaloidosis?
