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FLETCHER SWINE LEC EXAM 3 > Nursery part 1 > Flashcards

Nursery part 1 Flashcards

1
Q

piglets seperated from sow - where will they go?

how many days

how many days before becoming a grower? + kg
(from __ to ___)

A

nursery unit/famr

24-28 days old (weaning)

6kg (24-28 days old) until 18-20kg (75-84 days Old)

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2
Q

3 components of animal health

epidemic traingle components

A

❏Animal ❏Environment ❏Pathogen

Agent
Host
environment

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3
Q

3 Consequences of
disease in swine

caused by

A

Morbidity
❏Mortality
❏Economic losses

● low ADG
● low harvest
recovery/percentage
● high FCR

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4
Q

Piglets are most susceptible to
disease because 3 things

A

1)Unable to thermoregulate
2)Developing bodily functions (e.g.
immune system, GIT)
3)Rely on maternal Abs for protection

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5
Q

normal temp, pulse and RR of pigs (range)

A

39-40
100-120
24-36

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6
Q

Influences animal health

type of flooring commonly used in pH

A

management

metal concrete

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7
Q

problematic
Leads to Diarrhea and respiratory dz

A

cold stress dz

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8
Q

Poor insulator
Expose to stress

A

Solid wet concrete

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9
Q

wooden slet

A

Higher resistance
Impractical sa PH pero best

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10
Q

order ng highest to lowest thermal resistance ng flooring materials

A

deep straw< wooden slet <stockboard < wire mesh < concrete slats < solid wet concrete

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11
Q

4 ways to assess animals

A

necropsy, visual, tactile , sampling

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12
Q

Piglets exposed to cold stress signs vs comfortabl

higest risk of dissease?

A

Lying on stomach
Limbs aunder body

vs

Distance equal
Pigets lying down on their side

cold stress

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13
Q

when approaching a piglet, its not scared of u. is this normal?

A

no. should run away from you normally

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14
Q

favorable area of blood collection in piglets + others

A

Aorta - risky
Favorable - jugular vein
Ear vein - collapses easily

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15
Q

when performing necropsy it is impt to perform by system t/f

A

t

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16
Q

The piglets stay in the farrowing pen for __ days

term?

A

5-7 days

Reduces stress
Gives time to adjust to sow’s absence
Unfamiliar smells, ne
Move them later

17
Q

transferring of pigs
On the day of transfer, handle piglets with care and limit ___1)
move during the ___2) parts of the day (early morning or late afternoon
Some large operation may require transport to Another location (multinsite) iniTiate ____3) feeding
select for healthy and desirable piglets only, ___4) the defective animals

A
  1. noise
  2. cooler
  3. controlled
  4. cull
18
Q

Decreased feed and water intake
Losing body mass and energy
High risk of infexn
Decreased weight gain

A

weaning lag

19
Q

Controlled feeding for the 1st ___1) hrs after weaning
Estimate the feed consumption for the day
Get__% of the expected feed consumption

Clean drinking water must
be available always

A
  1. 48
  2. 80
20
Q

Provide ____heating
and adequate ventilation

If diarrhea is observed,
withdraw dry feed; do
___ feeding

❖gruel or lugaw: 1kg
feed + 8L water + 50g
electrolytes

A

artificial
wet

Given morning
Removed at lunchtime
Play w/ feeds, have time to dry off during afternoon para di wet pag gabi → iwasan cold stress

21
Q

Porcine Reproductive and
Respiratory Syndrome Virus
(PRRS) causative agent

1980s
1991

A

Artevirus

1980- appeared in North america
1991 - Lelystad virus Netherlands (genotype I) US and Asia (genotype II)

22
Q

PRRS Early mid term sows:
PRRS late term sows:

A

little adverse effects
SMEDI

23
Q

Piglets that survive in-utero infection die early due to

A

respiratory diseases

24
Q

type of pneumonia in PRRS

spread via: DFONSFA

A

diffuse interstitial pneumonia

direct contact, feces, oral and
nasal secretions, semen, fomites,
aerosol

25
Q

PRRS stages

viremia, target cells attacked (LO,MO)

end of shedding, cleared, Body manages to fight of virus

subclinical, decreased shedding, viremia stops

persistent infection wherein the virus is eventually
cleared (100-145 DPI)

A

acute

extinction

persistence

chronic

26
Q

PRRS: viral replication in

Inhibit ____

A

MO and lymphoid tissue

Inhibit caspase-dependent apoptosis in MO

Caspase -involved in apoptosis; chop up other necessary enzymes - ‘chainsaw’

27
Q

Suppress type-1 interferon response. what is its function

Use of ___epitopes -> limited neutralized Ab response

A

cell death

decoy

28
Q

Characteristic lesion of PRRS

afer how many days can the virus be shed by piglets

A

interstitial pneumonia + LN enlargement

7-9d

29
Q

3 ways to prevent and control PRRS

A

Biosecurity and exclusion to avoid spread,

herd closure” for +- 26 weeks;

partial depopulation (test and remove)

30
Q

Recovered animals are rarely immune from PRRS t/f

A

f- typically

31
Q

enzootic infxn control includes

A

vaccination and inclusion; symptomatic tx

32
Q

PRRS other term

A

*Mystery pig disease, Blue ear pig disease

FLETCHER SWINE LEC EXAM 3 (5 decks)

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