Large animal plants

Question 1 of 13

1

It is fall in VA, and a cattle farmer calls you concerned because one of his cows is having a seizure, and two others began acting strangely yesterday. He has not made any recent changes to their feed, but they are free to roam his 20 acres of pasture. You go over to investigate, and find the two of the affected cows to have a nystagmus and all of them are exhibiting a hypermetric gate (goose-stepping). You take a look around the property and notice a tree with yellow flowers, palmately compound leaves and large, brown seeds that one of the cows is showing interest in. Based on this, and the clinical signs, you conclude that this must be:

Select one of the following:

Buckeye toxicosis
oak toxicity
red maple toxicosis
black walnut toxicosis

Explanation

Question 2 of 13

1

How might you treat the cows you saw at this farm?

Select one or more of the following:

activated charcoal and saline cathartic
acepromazine
IV fluids
propylene glycol
PO electolytes

Explanation

Question 3 of 13

1

Which of the following species are generally resistant to oak toxicity?

Select one or more of the following:

goats
sheep
deer
cattle
horses

Explanation

Question 4 of 13

1

Which toxic trees are correctly matched with their toxic compound?

Select one or more of the following:

oak-aesculin
oak-gallic acid
red maple-asceritannin
red maple-aesculin

Explanation

Question 5 of 13

1

Which of these toxic trees can lead to laminitis?

Select one of the following:

black walnut
red maple
oak
buckeye

Explanation

Question 6 of 13

1

It is spring in Oregon and you are called out to examine some cattle that have fallen sick over the course of about a week. Some have black tarry stool, a few have ventral edema and nasal discharge and all of them seem lethargic. The farmer reports that one of the cows seemed very thirsty yesterday, and died in a stream on the property while drinking. The cow had seemed to be having difficulty breathing prior to this. You perform a necropsy on the cow and note perirenal edema and a hydrothorax. What do you think this cow may have eaten?

Select one of the following:

red maple
oak
black walnut
buckeye

Explanation

Question 7 of 13

1

Slaked lime supplemented as 10% of a concentrate feed would have been a good preventitive measure for the cow that you found perirenal edema in on post mortem.

Select one of the following:

True
False

Explanation

Question 8 of 13

1

A horse falls ill after eating shaving from its bedding. What tree may be to blame?

Select one of the following:

oak
black walnut
buckeye
red maple

Explanation

Question 9 of 13

1

The leaves and bark of black walnut trees are toxic to horses on pasture.

Select one of the following:

True
False

Explanation

Question 10 of 13

1

Treatment of clinical signs with an alpha blocker (prazosin), and/or a calcium channel blocker (nifedipine) and bute, flunixin or torbutrol would be appropriate for toxicosis from which tree?

Select one of the following:

red maple
oak
black walnut
buckeye

Explanation

Question 11 of 13

1

What parts of the red maple tree can cause toxicity if ingested?

Select one of the following:

bark
wilted leaves
fresh leaves
flowers
seeds

Explanation

Question 12 of 13

1

What toxic tree might you associate these clin path abnormalities with?
Low PCV, hemoglobinuria, heinz bodies anemia, 10-40% methemoglobin, increased AST and SDH and azotemia

	Created by alikeil1 over 10 years ago

tox final

Large animal plants

Question 1 of 13

Select one of the following:

Explanation

Question 2 of 13

How might you treat the cows you saw at this farm?

Select one or more of the following:

Explanation

Question 3 of 13

Which of the following species are generally resistant to oak toxicity?

Select one or more of the following:

Explanation

Question 4 of 13

Which toxic trees are correctly matched with their toxic compound?

Select one or more of the following:

Explanation

Question 5 of 13

Which of these toxic trees can lead to laminitis?

Select one of the following:

Explanation

Question 6 of 13

Select one of the following:

Explanation

Question 7 of 13

Slaked lime supplemented as 10% of a concentrate feed would have been a good preventitive measure for the cow that you found perirenal edema in on post mortem.

Select one of the following:

Explanation

Question 8 of 13

A horse falls ill after eating shaving from its bedding. What tree may be to blame?

Select one of the following:

Explanation

Question 9 of 13

The leaves and bark of black walnut trees are toxic to horses on pasture.

Select one of the following:

Explanation

Question 10 of 13

Treatment of clinical signs with an alpha blocker (prazosin), and/or a calcium channel blocker (nifedipine) and bute, flunixin or torbutrol would be appropriate for toxicosis from which tree?

Select one of the following:

Explanation

Question 11 of 13

What parts of the red maple tree can cause toxicity if ingested?

Select one of the following:

Explanation

Question 12 of 13

What toxic tree might you associate these clin path abnormalities with? Low PCV, hemoglobinuria, heinz bodies anemia, 10-40% methemoglobin, increased AST and SDH and azotemia

Select one of the following:

Explanation

Question 13 of 13

What would you use to treat the methemoglobin?

Select one of the following:

Explanation

What toxic tree might you associate these clin path abnormalities with?
Low PCV, hemoglobinuria, heinz bodies anemia, 10-40% methemoglobin, increased AST and SDH and azotemia