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AH Final > General > Flashcards

General Flashcards

1
Q

Physical properties of building materials:

A
  • Density/Specific heat
  • Heat capacity
  • Thermal conductivity
  • Vapor transmittance
  • Thermal lag
  • Thermal damping
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2
Q

Types of Flooring:

A

Straw bedding
- Deep bedding (20-25cm)
- Superficial bedding (5-10cm)
Slatted Floor

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3
Q

Method of disinfecction:

A

All in/all out: Emptying the building - Cleaning (2d) - Disinfection (2d) - Rest phase (7d) - Animals in

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4
Q

Sterilization definition:

A

Elimination of every microorganisms (type and form)

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5
Q

Disinfection definition:

A

Elimination of the vegetative forms of pathogen microorganisms & lowering the number of saprophytic bacteria

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6
Q

Disinfectants MOA:

A
  • Bactericide – destroys the vegetative forms of bacteria
  • Bacteriostatic – inhibits bacterial growth
  • Sporocid – destroys spore forms
  • Fungicide – destroys the microscopic fungi
  • Virucide – inactivates viruses
  • Parasiticide – kill parasites
  • Germicide – destroys every microorganism
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7
Q

Disinfection of drinkers:

A
  • Removal of the water
  • Physical cleaning: brushing
  • 0.1g Chlorinated lime/10l water, 2hrs (must smell like Cl2 after 2hrs)
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8
Q

Disinfection of wells:

A
  • Emptying the well. Chlorinated lime, chlorine-base.
  • Cisterns - Like normal wells but double dose of lime or chlorine-base.
  • Open ground well: 100ml Na-hypochlorite (90g/L) /m3 water. 24hrs waiting period
  • Closed/drilled ground wells: 300ml Na-hypochlorite (90g/L) to the main pipe of the well
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9
Q

Physical methods of Sterilization and disinfection:

A 
Heat - Autoclave, ironing, burning
Irradiation - gamma, free radicals
UV - sunchine, lamps
Ultrasonography
High pressure
Microwaves
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10
Q

Biological methods of sterilization and disinfection:

A 
Feedstuff/ manure fermentation 
o Competition 
o Heat production 
o Antimicrobial metabolites 
o pH
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11
Q

Chloride and chlorine-based compounds:

A

Sodium hypochlorite
Calcium hypochlorite
Sodium dichloroisocyanurate

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12
Q

Category 1 materials:

A
  • Animals suspected of being infected by TSE (Transmissible spongiform encephalopathy) or the presence of TSE has been officially confirmed.
  • Animals killed, including in particular pet animals, zoo/circus animals, experimental animals
  • Wild animals, when suspected of being infected with diseases communicable to humans
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13
Q

Disposal of Category 1 Materials

A

Direct incineration in incineration plant or in co-incineration plant

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14
Q

Category 2 materials:

A

Animals and parts of animals that died or born dead, aborted embryos and/or fetal membranes and not listed in category 1 by-products including animals killed to eradicate an epizootic disease, manure and digestive tract content.

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15
Q

Disposal of Category 2 Materials

A

Processed in a processing plant, disposed as waste by incineration or disposed as waste by burial in landfill or disposed as waste by composting or disposed as waste by bio-gas production

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16
Q

Category 3 Materials

A

Parts of slaughtered animals, which are fit for human consumption, but are not intended for human consumption for commercial reasons

17
Q

Disposal and processing of Category 3 materials

A

Animal by-products derived from the production of products intended for human consumption, including degreased bones and greaves. Defects which do not present any risk to humans or animals

18
Q

Category 3 materials can be processed into:

A
  • Pet food, dog chews and, technical materials other than fertilizers etc.
  • Transported to the field (milk, colostrum)
  • Use as fertilizer after proper treatment (sterilization
19
Q

Specified risk materials (EC Regulation No 99/2001)

A
  • CATEGORY 1: Country or region free of BSE
  • CATEGORY 2: BSE provisionally free country or region where no indigenous case has been reported
  • CATEGORY 3: BSE provisionally free country or region where at least one indigenous case has been reported
  • CATEGORY 4: Country or region with low incidence of BSE
  • CATEGORY 5: Country or region with high incidence of BSE
20
Q

Airborne pathogens caused animal diseases/outbreaks:

A
  • Foot and mouth disease
  • Aujeszky’s disease
  • Newcastle disease Virus
  • Avian influenza
  • The disease Q fever
  • Streptococcus spp
  • Fungal pathogens
  • Disease complexes (respiratory diseases in swine and bovine herds)

AH Final (2 decks)

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