Red Meat Species Slaughter 2 Flashcards

1
Q

What are member states with controlled risk of BSE in cattle

A

bovine spongiform encephalopathy

England, Wales, ROI, France, Greece

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2
Q

What is included in cattle specified risk material, animals ALL ages in member states with controlled risk of BSE

A

MS = England, wales, ROI, France, Greece
• tonsils
• the last four metres of small intestine
• the caecum
• Mesentery
• To do with where payres patches (tropism for prions), mesentry- lot of nervous tissue

• Skull excluding the mandible and including the brain and eyes, and spinal cord

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3
Q

What is included in cattle specified risk material of animals once older than 12 months in member states with controlled risk of BSE

A

MS = England, wales, ROI, France, Greece
Tonsils, last 4 m SI, caecum, mesentery AND
• Skull excluding the mandible and including the brain and eyes, and spinal cord.

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4
Q

What are member states with negligible risk of BSE

A

all member states except England, Wales, ROI, France Greec

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5
Q

What is included in cattle specified risk material of animals in member states with negligible risk of BSE

A

all member states except England, Wales, ROI, France Greece

Over 12 months
• Skull excluding the mandible and including the brain and eyes, and spinal cord

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6
Q

What is sheep specified risk material under 12 months?

A

NO SRM

so head in these animals is often processed for human consumption

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7
Q

What governs when a sheep has specified risk material

A
  1. Over 12 months OR

2. Permanent incisor eruption

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8
Q

What is sheep specified risk material over 12 months or when permanent incisor eruption?

A

Skull, excluding mandible, including the brain and eyes, tonsils, spinal cord.

Not SKULL ECLUDES horns

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9
Q

What organ used to be SRM

A

Spleen. No longer

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10
Q

What is BSE testing like in abattoirs?

A

Occurs in every single abattoir as long as the animal is over 48 months and has had antemortem changes

So if animal with observations of accidents of physiological and functional problems not related to BSE and is over 48 months it WILL get tested.
Also emergency slaughter BSE testes adn fallen stock.

Animals with no antemortem changes no testing happens.
Not EU country must be tested if more than 30 months

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11
Q

What is scrapie testing like in abattoirs?

A

ONLY occurs in sheep in participating abattoirs - not all abattoirs partake in scrapie testing.
AND occurs if clinical signs - this is passive surveillance though so only if come across, not actively looking for it in every abattoir
Must be over 12 months, 2 permanent incisors

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12
Q

What is special about pig slaughter

A

Skin is part of end product so after bleeding (sticking) animal goes through scald tank

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13
Q

Pig scalding process. What conditions and what deos this mean?

A

Temp - between 50-60 degrees to open hair follicles so easier to remove.
Temp means that bacterial load can be quite high, ESPECIALLY when temp drops. This is a hazard as means carcass can get high contamination.
Water has a lot of testing done to it to ensure it sin’t a source of contamination

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14
Q

What testing occurs for pigs

A

Trichinella surveillance of carcass

NOT all pigs

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15
Q

Once pig gone through scald tank what occurs

Why don’t we want to over scald?

A
  1. Blades remove hair, then flame carcass to get left over hair
    Don’t want to overcook skin as will cause it to split and lead to contamination of underlying meat
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16
Q

Which pigs does trichinella testing occur?

A
  • breeding domestic swine (sows and boars)
  • wild boar (any age, whether wild or farmed)
  • solipeds (horses) (any age)
  • all pigs that have not been reared in premises officially considered to apply controlled housing conditions

Generally non controlled pigs = outdoor so indoor pigs less likely to be tested

17
Q

Which pigs are exempt from trichinella testing?

A

• Exemption only applicable to domestic pigs: that undergo freezing treatment

18
Q

What is controlled pig housing

A

A system that does everything to try to prevent the spread of trichinella through management. Generally indoor pigs:

(a) Building construction and maintenance
(b) Pest-control programme & records
(c) Feed provider
(d) Storage of feed
(e) Management of dead animals
(f) Rubbish dump in the neighbourhood: inform & assessment of risk
(g) Animal identification
(h) Introduction of new animals from holdings officially recognised as applying controlled housing conditions;
(i) No access to outdoor facilities unless the operator can show do not pose a danger for introduction of Trichinella in the holding;
(j) None of the swine for breeding and production, has been unloaded after leaving the holding of origin at an assembly centre unless meets the requirements and all originate in and come from holdings officially recognised as applying controlled

19
Q

How do we test BSE in cattle

A

sample brain stem

20
Q

How do we test BSE in sheep and scrapie

A

Sample brain stem. Also use cerebellum to rule out scrapie

21
Q

Splitting of carcass

A
  • cut must be paracentral – don’t want to cut through spinal cord as can contaminate it. NOT through dura mater
  • Take spinal chord out as a whole
  • Spinal chord is a specified risk material