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VPH > Egg hygiene and poultry > Flashcards

Egg hygiene and poultry Flashcards

1
Q

3 main legislation about egg production

A

-commission regulation 1234/2007 - salmonella
-commission regulation 617/2008 - implement marketing standards
-commission regulation 589/2008 - implement marketing

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2
Q

Who enforces legislation requirements for eggs ?

A

egg marketing inspectors in England and Wales

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3
Q

What is considered a class A egg ?

A

-shell and cuticle - normal shape, clean , no damage
-air space - no more 6mm
-yolk - visible as shadow on candling

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4
Q

What is considered a class B egg ?

A

-unfit human consumption
-positive salmonella enteritidis or typhimurium or if operator isn’t sampling under the national control plan
-damaged , unclean

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5
Q

In what two occasions can a egg be ungraded

A

-if have producer code
-if going from registered producers to the processor

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6
Q

What should be included in an egg code ?

A

-farming method
-country of origin
-farm ID
-quality standards - lion mark in uk

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7
Q

What does the lion mark symbolise ?

A

lying hens vaccinated against salmonella enteritidis

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8
Q

TRUE/FALSE eggs that are from flocks infected with salmonella can be treated to eliminate salmonella and used for human consumption

A

true

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9
Q

How to assess bird welfare ?

A

five freedoms

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10
Q

legislations that protect poultry

A

-European legislation
-animal welfare act
-welfare of farmed animals
-welfare of animals ( transport ) England order
-welfare of animals at time of killing ( WATOK)

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11
Q

TRUE/FALSE Broilers more susceptible to heat stress and dehydration

A

TRUE

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12
Q

TRUE/FALSE Ante-mortem inspection for poultry can be done on-farm or at slaughterhouse

A

true

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13
Q

Notifiable disease in poultry and signs

A

avian influenza
newcastle disease

-DOA, resp signs discoloured comb , wattle

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14
Q

What’s an animal welfare officers job poultry ?

A

-prioritise - slaughtered first
-any welfare needs - keep record of action

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15
Q

Different ways of stunning in poultry .

A

-electrical stunning
-controlled atmosphere ( gas )

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16
Q

Basic requirements of electrical stunning

A

-sufficient voltage
-electrode whole length of water bath
-heads must be completely immersed

17
Q

How can you tell bird is appropriately stunned ?

A

-loss of nictitating reflex
-non rhythmic
- constant rapid body tremors
-wings held tight against body

18
Q

Electro immobilisation

A

currents go through body and immobilise but not unconcious — can occur in electric stunning this means can be conscious when getting head chopped

19
Q

Chilling , washing of carcass

A

-washed with potable water
-chilled 4 degrees
-maturation - 8-10 hr

20
Q

When is PM carried out in poultry ?

A

-before evisceration
-after evisceration

21
Q

What is the duty of OV - PM ?

A

-daily inspection of viscera - representative sample of birds
-detailed inspection of random samples declared unfit for human consumption

22
Q

EU broiler welfare directive

A

-legislation - minimum rules for protection of chickens kept for meat production
-look at cumulative mortality rate
-7 post mortem conditions - e.g ascites

23
Q

7 post mortem conditions under EU broiler welfare directive to assess on-farm welfare problems .

A

-ascites
-cellulitis /dermatitis
-DOA
-emaciation
-joint lesions/arthritis
-septicaemia /respiratory
-total rejections

  • if over a set percentage - will trigger action from APHA
24
Q

Partial rejection in poultry

A

localised contamination
localised mechanical damage
condition where only part of carcass or single organ is affected

25
Q

When is a pericarditis case totally rejected

A

-active ,severe
-secondary conditions present
-positive salmonella enteritidis or typhimurium in FCI

26
Q

Total rejection in poultry

A

-no AM or FCI
-disease
-gross contamination -can’t trim

27
Q

What factors make end of lay hens more susceptible to DOA ?

A

-poor feathering - reduced thermal tolerance
-vulnerable to cold and wet conditions
-prolonged pre-transport food withdrawl

28
Q

Zoonotic diseases in poultry

A

-campylobacter
-salmonella

29
Q

TRUE/FALSE national control programme asks for salmonella sampling/testing

A

true

VPH (15 decks)

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