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Public health (LHW) > Meat inspection notes > Flashcards

Meat inspection notes Flashcards

1
Q

Who should you report to if you are concerned of an animal welfare breach?

A

APHA or local trading standards authority

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2
Q

An animal has septicaemia (redenned carcass, congestion), uraemia or pyaemia. Is this animal fit for human consumption?

A

No

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3
Q

An animal has anaemia. Is this animal fit for human consumption?

A

No

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4
Q

An animal has jaundice. Is this animal fit for human consumption?

A

No

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5
Q

An animal has anaemia. Is this animal fit for human consumption?

A

No

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6
Q

An animal presents with one Cysticercus bovis cyst. Is this meat suitable for human consumption? If not, what other action is required?

A

Yes

BUT only after removing affected area and freezing for 3 weeks at -7 or 2 weeks at -10

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7
Q

A carcass has visible faecal contamination. Is this meat suitable for human consumption? If not, what other action is required?.

A

Only if trimming of faecal contamination

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8
Q

Give examples of when an animal is unfit for transport

A

Unable to walk independently without pain
Severe open wound or prolapse
Last 10% of gestation (last 4 weeks for cattle)
Females that have given birth in the past 7 days
Newborn calves or navel hasn’t healed
Calves less than 10 days (<100km only)

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9
Q

A cow presents with a severe prolapse. Is she fit to travel for slaughter?

A

No - requires emergency ‘on farm’ slaughter

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10
Q

At what age are animals never fit for human consumption?

A

<7 days old

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11
Q

What traceability do cows, pigs, sheep and horses require?

A

Cows - 2 tags and passport
Sheep - ear tags
Pig - ear tags or tattoo/slapmark
Horses - transponder and passport

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12
Q

When is water and feed required for animals in lairage?

A

Water always

Feed after 12 hours

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13
Q

Name some signs of an effective mechanical stun

A 
Collapse - tonic/clonic phases
No rhythmic breathing
Fixed, glazed expression
No corneal reflex
Relaxed jaw
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14
Q

Why are animals that have been pithed not suitable for human consumption?

A

Potential SRM contamination fo carcass

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15
Q

At what age do cattle’s incisors erupt?

A

First at 1.5 years

Then one pair per year

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16
Q

A carcass is surprisingly red after exsanguination and there is hypostatic congestion. The animal also has signs of DIC. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Suggests septicaemia

Not fit - dispose as category 2 ABP (if no SRM)

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17
Q

An animal has emaciation. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Not fit
Dispose as category 2 ABP
(if welfare compromised, take action)

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18
Q

A cow has polyarthritis with enlarged reactive lymph nodes and DIC. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Indicates ongoing septicaemia
Not fit
Dispose as category 2

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19
Q

A cow has arthritis but there are no signs of septicaemia. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Fit for consumption

Reject affected tissues and dispose as category 2 ABP

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20
Q

An animal has presented for slaughter from a non-TB restricted premise. Can this animal be slaughtered, and if so when?

A

Last in the day (or any other time of day) before full cleaning/disinfection of slaughter line
OR in a separate slaughter hall used for suspected diseased animals

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21
Q

How must farmers mark an animal from a non-TB restricted premises before sending it to an abattoir?

A

Orange stripe along back

22
Q

What must always be inspected visually, by palpation and incision for an animal that has come from a non-TB restricted premises?

A

LNs

require incision

23
Q

What must happen if a carcass is suspected of having TB?

A

Detain carcass
Notify APHA
Make decision in terms of fitness depending on findings

24
Q

An animal presents with multiple Cysticercus ovis cysts, in less than 3 anatomical locations. Is this meat suitable for human consumption? If not, what other action is required?

A

Affected tissues unfit for human consumption

Trim affected parts of carcass

25
Q

An animal presents with generaliesd Cysticercus bovis cysts. Is this meat suitable for human consumption? If not, what other action is required?

A

No - reject carcass and offal

26
Q

A carcass has signs of pneumonia, but not septicaemia. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Lungs unfit for human cosumption - ABP 2

Rest of carcass fit for human consumption

27
Q

A sheep carcass has pneumonia, which you suspect to be caused by Pasteurella or Mycoplasma. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Lungs unfit for human cosumption - ABP 2

Rest of carcass fit for human consumption

28
Q

A sheep carcass has evidence of lungworm caused by D. filaria. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Lungs unfit for human cosumption - ABP 2

Rest of carcass fit for human consumption

29
Q

A sheep carcass has evidence of lungworm caused by Muelleris capillaris. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Lungs unfit for human cosumption - ABP 3

Rest of carcass fit for human consumption

30
Q

A scow carcass has evidence of lungworm caused by D. viviparus. What is your decision regarding whether this animal is safe for human consumption? If not, what ABP?

A

Lungs unfit for human cosumption - ABP 2

Rest of carcass fit for human consumption

31
Q

What happens if an animal has dark, unclotted blood that continues after slaughter?

A

Detain carcass
Notify APHA
(suspect anthrax)

32
Q

What happens if an animal dies during transport or during lairage?

A

Report to APHA or local authority

Suspected welfare in transport case

33
Q

If there are multiple/generalised hydatid cysts (Echinococcus granulosus), what would be your decision regarding fitness for human consumption and ABPs?

A

Not fit for human consumption

Dispose as cat 2 ABP (do not bury - dogs may retrieve affected organs!)

34
Q

If there is only one or two hydatid cysts (E. granulosus) and you suspect the lesions are not generalised, what would be your decision regarding fitness for human consumption and ABPs?

A

Affected parts not fit - ABP 2

Rest of carcass fit

35
Q

What is your decision if a carcass has evidence of liver fluke? If parts are not fit, what ABP should you dispose them as?

A

If no evidence of hepatic dysfunction:
Only liver unfit for human consumption - dispose as ABP 3

If evidence of hepatic dysfunction:
Not fit for human consumption, dispose as ABP 2

36
Q

A carcass has hepatic abscesses but no evidence of septicaemia. What would your decision be regarding fitness for consumption and ABP?

A

Only liver not fit for human consumption - ABP 2

Rest of carcass fit

37
Q

A carcass has evidence of a malignant tumour, as you find infiltrative behaviour and metastases. What would your decision be regarding fitness for consumption and ABP?

A

Not fit for human consumption

Dispose of as ABP-2

38
Q

A carcass has evidence of a benign tumour. What would your decision be regarding fitness for consumption and ABP?

A

Reject affected tissues as ABP2

Rest of carcass fit for consumption

39
Q

A pig liver is found to have ‘Milk spots’ (Ascaris suum). What would your decision be regarding fitness for consumption and ABP?

A

Affected lobes unfit for human consumption
Dispose as ABP 3
Rest of carcass fit

40
Q

What is the SRM for sheep?

A

Under 12 months - none

>12 months or permanent incisors - skull (brain eyes) and spinal cord

41
Q

What is the SRM for cattle?

A

All ages - tonsils, last 4m of SI, caecum, mesentery
Over 12 months- skull including brain and eyes, spinal cord
Over 30 months - vertebral column including dorsal root ganglia

42
Q

How long must FBO records be kept for?

A

1 year

43
Q

How much time after death must pass before birds can be dressed?

A

90 seconds

2 minutes for turkey/geese

44
Q

If animal is category 1 or 2 in terms of dirtiness (1-4), will the animal be accepted for slaughter and if not, what further treatment is required?

A

Yes - no further action required

45
Q

If animal is category 3, 4 or 5 in terms of dirtiness (1-5), will the animal be accepted for slaughter and if not, what further treatment is required?

A

Rejected for slaughter
May be accepted if line slowed down to allow further trimming, 48 hours in lairage or clipped to remove contaminated material

46
Q

What happens if an organ is found to be contaminated with faecal contamination?

A

If only small amount - trim affected area

Washing further spreads contaminants

47
Q

Meat falls onto a visibly clean floor and is picked up promptly. Is it fit for human consumption?

A

No - dispose of as category 3

category 2 if unhygienic flooring

48
Q

If uraemia is suspected but not confirmed in a carcase, what can be done for further investigation?

A

Carcass held for 24 hours

Boiling test performed to see if uraemic smell prevails

49
Q

An organ shows evidence of infarction, but there is no systemic involvement. What should be done with the affected organ - is it fit for human consumption?

A

Reject affected parts and dispose of as ABP 2

50
Q

Kidneys are found with hydronephrosis and urinary cysts, but there is no systemic involvement. What should be done with the affected organ - is it fit for human consumption?

A

Reject affected parts

Dispose of as ABP-2

Public health (LHW) (22 decks)

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