Ochratoxicosis

Question 0

most toxic mycotoxin in poultry is

Answer 0

ochratoxin

Question 1

main difference between ochratoxicosis and alfatoxicosis

Answer 1

less common

more lethal

Question 2

ochratoxin are produced by

Answer 2

penicillium veri-dicatum

aspergillus och-raceus

Question 3

name ochratoxin is derieved from which speces

Answer 3

aspergillus ochraceus

Question 4

ochratoxins are designated as ___,____,____,___

Answer 4

A
B
C
D

Question 5

name the most common and most toxic ochratoxin among A,B,C,D

Answer 5

a

Question 6

ducks are _____ times more sensitive to ochratoxin than chicken

Answer 6

7

Question 7

pathogenesis of ochratoxin

Answer 7

• inhibit protein synthesis

Question 8

which organ is affected ochratoxin A

Answer 8

kidney

Question 9

what does ochratoxin A do to kidney

Answer 9

PCT epithelium necrosis

Question 10

main clinical signs of ochratoxicosis

Answer 10

same as alfatoxicosis

Question 11

ppm and ochratoxicosis

Answer 11

0.6=immunosupression,anaemia,increase clotting time
2=loss of pigmentation,decreased egg production
4=death due to acute renal failure

Question 12

main gross lesions in ochratoxicosis

Answer 12

• paleness(L,P,K)

- urate deposits(L,K,S,H,pericardium)

Question 13

main microscopic lesion in ochratoxicosis

Answer 13

-PCT epithelium necrosis + urate & proteinaceous casts

Question 14

name the two genus causing Trichothecene mycotoxicosis

Answer 14

• fusarium

- stachybotrys

Question 15

there are about ___ related tricho-the-cene mycotoxins

Answer 15

80

Question 16

trichothecene producing fungi produce this toxins at which temp.

Answer 16

beloe 20 C (winter)

Question 17

name the 4 most common trichothecene toxins

Answer 17

T-2
HT-2
DAS
DON

Question 18

DAS stands for

Answer 18

di
acetyl
scirpenol

Question 19

DON

Answer 19

de
oxy
nivalenol

Question 20

main lesion of trichothecene mycotoxicosis

Answer 20

ulcers(dorsal surface of tongue,commisure of mouth,hard palate)

Question 21

name 7 other main mycotoxins(except alfa,ochra,tricho)

Answer 21

coffe mz

• citrinin
• oosporein
• fumonisin
• fusarochromanone
• ergot
• moniliformin
• zearalenone

Question 22

name two nephrotoxic mycotoxins among coffe mz

Answer 22

citrinin

oosporein

Question 23

name a cardiotoxic mycotoxin

Answer 23

moniliformin

Question 24

name a mycotoxin which causes leg deformities

Answer 24

fusaro-chromanone

Question 25

name a mycotoxin causing vesicular dermatitis(sod disease)

Answer 25

ergot

Question 26

name a mycotoxin with oestrogenic activity

Answer 26

zear-alenone

Question 27

fusaro-chromanone is aka

Answer 27

TDP-1

Question 28

zear-alenone is aka

Answer 28

F-2

Question 29

TDP-1 is aka

Answer 29

fusar-chromanone

Question 30

F-2 is aka

Answer 30

zear-alenone

Question 31

citrinin is produced by

Answer 31

penicillium citrinum

Question 32

main effect of citrinin

Answer 32

water consumption increased
kidney swollen
wet dropping

Question 33

oosporein is produced by _____________

Answer 33

chaetomium trilaterale

Question 34

effect of oosporein on body

Answer 34

visceral and articular urate deposits

Question 35

fumonisin is produced by

Answer 35

fusarium moniliforme

Question 36

which fomonisin toxin is most common

Answer 36

B1

Question 37

name two diseases caused by fumonisin

Answer 37

• equine leuko-encephalo-malacia

- porcine pulmonary oedema syndrome

Question 38

moniliformin is produced by

Answer 38

fusarium moniliforme

Question 39

fusarochromanone is produced by

Answer 39

fusarium sp.

Question 40

ergot is produced by

Answer 40

claviceps purpurea

Question 41

zearalenone is produced by

Answer 41

fusarium graminearum/gibberealla-zeae

Question 42

name mycotoxins produced by fusarium sp.

Answer 42

coFFe MZ

• fumonisin
• fusarochromanone
• moniliformin
• zearalenone