Non-Plant Toxicology

Question 1

What dose Vit E Deficiency cause in horses

Answer 1

Acquired Equine Motor Neuron Disease

Walks relatively well (short strides) but shakes when it stands, preference for laying down, weight loss

Question 2

What does oversupplementation of vitamin A (and or vit D) in calves lead to

Answer 2

“buffalo calf syndrome” “hyena disease” - systemically well but permanently deformed calves :( dont excessively supplement your animals

Question 3

Monensin toxicity horses

Answer 3

dose dependent toxicity in horses –> GI toxicity +/- lethargy, ataxia…..leading to cardiomyopathy

Lethal dose 1.4-3 mg/kg. Lavage the stomach, administer activated charcoal or mineral oil via NG tube

Question 4

Molluscides (snail bait) toxicity

Answer 4

metaldehyde toxicoses - decreases GABA (excitatory effect leads to tremoring and many other neuro effects)

Question 5

tricyclic antidepressants

Answer 5

cardiotoxic and acidosis - monitor EKG and treat with Na bicarbonate

Question 6

Ionophore toxicity in cows

Answer 6

calves - often fatal but those that survive can have CHF

Question 7

cyanide poisnoning cows

Answer 7

interferes with electron transport chain - sudden death (<2 hours) - dyspnea signs: bitter almond breath smell

Plant: sorghum,

Question 8

Dichlorobenzene (deoderant cakes)

Answer 8

tent to have OPPs - seizures in dogs that get into trash

Question 9

Toad poisoning

Answer 9

local effects (salivation, vomiting) ….. marine toad can be toxic/fatal (Hawaii, Florida)