FA Toxicology Flashcards
1
Q
Aspergillus fungi are a source of which mycotoxin?
C/S
A
Aflatoxin
- Decreased milk yield
- Decreased feed intake
2
Q
Claviceps fungi are a source of which mycotoxin?
C/S
A
Ergot
- Reduced milk yield
- Hyperthermia
- Subfertility
- Dry gangrene of extremities
3
Q
Fusarium fungi are a source of which Mycotoxins?
C/S
A
- Deoxynivalenol (DON)
- Decreased VFI
- Decreased MY
- Diarrhoea
- Immune alterations
- Zearalenone
- Hyperestrogenism
- Vulval/ mammary hyperaemia/ swelling
- Nymphomania
- Hyperestrogenism
4
Q
What clinical signs are associated with Organophosphate intoxication?
A
Cholinesterase inhibitors
- XS salivation
- Respiratory signs - discharge, cough, dyspnoea, lacrimation, miosis
- Muscle stiffness
- Death
5
Q
What clinical signs are associated with lead intoxication?
A
- Neuro/GIT
- Sudden death
- Muscle fasciculations
- Teeth grinding
- Staggered gait
- Blindness - pupillary stasis
- Colic/ ruminal stasis
6
Q
What clinical signs are associated with copper intoxication?
A
- Haemolytic crisis
- anaemia
- jaundice
- death <48hrs
- Hepatomegaly
- Bronze/black kidney
7
Q
Pyrrolizidine alkaloid
A
Ragwort
8
Q
Clinical signs associated with Bracken poisoning.
A
- Bone marrow suppression
- Thrombocytopenia
- Anorexia
- Despression
- Dysentery
- Weakness
- Petechia/ haematuria
- Death
- GI tract tumours
9
Q
Ptaquiloside
A
Carcinogenic substance found in Bracken
10
Q
Clinical signs associated with Yew intoxication.
A
- Cardiac depression
- Sudden death
- Dyspnoea
- Abdominal pain
- Muscle tremor/weakness
11
Q
Taxine alkaloid.
A
Yew
12
Q
Tannins
A
Oak/acorn
13
Q
Grayanotoxin
A
Rhododendron
14
Q
Digoxin
A
Fox glove - cardiacglycocide
15
Q
C/S associated with nitrate intoxication.
A
- Hyperaemia/ oxygen tension
- Anoxia
- Cyanotic mucosa
- Tachypnoea
- Weak & rapid pulses
- Brown discoloured blood
