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ASC 408G: Swine > old exam questions: exam 2 > Flashcards

old exam questions: exam 2 Flashcards

1
Q

T/F baby pigs born rear legs first will cause dystocia in sows

A

false

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2
Q

T/F the majority of US swine are bred used frozen extended semen

A

false

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3
Q

T/F swine flu virus has a high mortality rate in mature sows

A

false

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4
Q

T/F gits should be bred on their first cycle

A

false

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5
Q

T/F whipworms migrate in the pigs bloodstream

A

false

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6
Q

T/F for the most accurate heat detection, producers should expose the sow to a female in estrus

A

false

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7
Q

T/F sick pigs isolate themselves from pen mates

A

true

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8
Q

T/F sows increase their body conditon during lactation

A

false

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9
Q

T/F mycotoxins are a type of bacteria

A

false

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10
Q

T/F for best reproductive success gilts should be bred at 230 pounds

A

false

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11
Q

T/F PG600 is effective in synchronizing gilts that have gone through puberty

A

false

for those who havent gone through puberty

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12
Q

how is PG600 administered

A

IM

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13
Q

T/F the timing of insemination is important in order for the sperm to arrive after ovulation occurs in the sow

A

false

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14
Q

T/F pigs with ASF can be successfully treated with antibiotics and electrolytes

A

false

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15
Q

T/F in boars the release of GnRH is stimulated when he is underweight

A

false

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16
Q

a 250 pound market gilt has whipworms, compared to a non-infected gilt the infected gilt will have ________ ADG

A

lower

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17
Q

which pig is most likely to die before weaning

born first
born last

A

born last

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18
Q

during natural service the boar ejaculated into the sows___________

A

cervix

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19
Q

____________ mastitis is the most common on swine farms

A

coliform

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20
Q

which berkshire pig is most likely to die before weaning

born with 2 littermates
born with 18 littermates
no difference

A

no difference

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21
Q

farrowing induction uses what two hormones

A

PGF2-alpha (lutylase)
oxytocin

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22
Q

mammary development and vulva swelling in prepuberal gilts are symptoms of _________

A

zearalenone

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23
Q

the ideal body condition score of a sow at farrowing is

A

3-4

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24
Q

which prepuberal gilt will come into first estrus earliest

exposed to 12 hours of light
exposed to 15 hours of light
exposed to 18 hours of light

A

no difference (range is 10-18)

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25
when the retractor penis muscle is contracted the boars penis is _______ his body extended out retained in doesn't interact with penis
retained in
26
cyanosis is a symptom of PRRS. what body part experiences cyanosis
ears
27
in a litter, a pig that nursed from a sows __________ teats is heavier at weaning than a pig that nursed from a sows ____________ teats,if all unstated factors are equal
anterior posterior
28
nodular worm larvae burrow in the ____________ of pigs
large intestine
29
which boar would produce the most sperm testicle length 7.2 inches testicle length 9.8 inches no difference
no difference determined by weight
30
the estrus synchronization method Matrix mimics _________ in a sow
progesterone
31
how long is MATRIX administered
14 days
32
to complete the lifecycle for toxoplasmosis a _______ is needed
cat
33
the seminal vesicles add ________ to the boars ejaculate to aid in moving the sperm through the sows reproductive tract
prosaglandins
34
lice are the most common in ____________ months
winter
35
the CL on a sows ovary produces ___________
progesterone
36
which swine disease is zoonotic AR ASF Erysipelas Pseudorabis transmissible gastroenteritis
erysipelas
37
which housing type has the most concern regarding pseudorabies transmission pasture confinement deep-bedded
pasture (feral pig contact)
38
transmissible gastroenteritis affects the pigs ________
small intestine
39
a sow with PRRS can transmit the virus to others via her: saliva milk nasal secretions urine all are possible none are possible
all are possible
40
which pig is most at risk of dying from PEDV 5lb nursing pig 25 pound nursey pig 250 pound finishing 450 AI boar
5lb nursing pig
41
the tunica dartos is the muscle associated with the boars _________ epididymis scrotum sheath spermatic cord
scrotum
42
in confinement swine barns___________ are the most common internal parasite large roundworms whipworms nodular worms
large roundworms
43
the ________ layer of the sows uterus responds to the hormone oxytocin endometrium mesometrium myometrium
myometrium
44
which boar would produce the most sperm testicles weigh 3.65 lbs testicles weigh 2.89 lbs no difference
3.65 lbs
45
most AI boars are collected using a _________
dummy sow
46
the most mature sperm is located in the boars __________ epididymis head epididymis body epididymis tail
epididymis tail
47
which prepuberal gilt will come into first estrus the earliest exposed to a boar for 15 min/d exposed to a boar 24 hr/d no difference
15min/day (10-30min range)
48
which boar would produce the most sperm 85 degree barn 65 degree barn no difference
65 degree barn
49
what is NOT a sign of estrus in a mature sow being ridden by other females clear mucus discharge from vulva interior of the vulva red in color seeking out of the boar winking of vulva
winking of the vulva
50
the boars prepuce stores ________
urine
51
which pig is most likely to diet before weaning boar gilt no difference
boar
52
in a sows cervix when levels of the hormone ______ are high and the levels of the hormone __________ are low the mucus produced by the cervix is thick forming a cervical plug
progesterone estrogen
53
petunia the pregnant sow is infected with swine flu. Petunia has aborted her pregnancy on day 60 of gestation. What caused her to abort
acute disease fever
54
during insemination the hormone __________ is released by the sow to help propel the sperm through her repro tract
oxytocin
55
fertilization of a sows ovum occurs where?
ampulla of the oviduct
56
sow lactations diets are __________ in energy. Most sow lactation diets contain a laxative source such as ___________ or ___________ to help sows maintain normal elimination
high beet pulp epsom salt
57
lactation in sows prevents the release of _________ from the sows hypothalamus
GnRH
58
on a 95 degree day the cremaster muscle in the boars ___________is ________ causing the testicles to be _____________ the boars body
spermatic cord relaxed further from
59
manny the market hos is pale, grinding his teeth and has dark feces. What disease/condition does manny have? what caused this condition/disease?
gastric ulcers too fine of feed
60
the virus causing porcine epidemic diarrhea affects the villi enterocytes in the pigs _______. The new epithelia that grow are __________ in shape and are unable to absorb ________
intestine cubodial/flat nutrient
61
the atrophic rhinitis bacteria in found in most swine herds. ___________ and __________ will cause an increase in occurrence/prevelance of AR cases in the herd
low humidity poor ventilation
62
when extending boar semen each dose should contain ___________ sperm/dose. the extended sperm should be stored at __________ degrees and agitated __________ a day
2-6 billion 57-64 2x
63
the first portion of a boars ejaculate, the pre-sperm is __________ in color and is not collected as it contains _________. The sperm-rich portion of the boars ejaculate is ______________ in color and is collected into a pre-warmed container. An average boar will ejaculate _______mL and the ejaculate contains _______ sperm
clear lots of bacteria milky white/grey 200-400 60-130 billion
64
african swine fever can be transmitted to pigs by ____________ and __________
ticks eating contaminated meat
65
exudative epidermitis infections usually occur when in a pigs life
less than 8 weeks
66
when performing AI on a gilt the catheter needs to be angled upwards when inserted into the vagina. why?
avoid the bladder
67
a pig with toxoplasmosis may develop cysts in his ________ and _________
skeletal muscle heart
68
the gel fraction of a boars ejaculate is secreted by the _____________
bulbourethral gland (cowpers)
69
swine with external parasites experience _______mortality rates. External parasites ______ growth rates and ________ carcass value
low decrease decrease
70
ferm the finishing pig has a rectal prolapse, her prolapse could be a result of: 1. 2.
1. coughing 2. cold stress
71
once fertilization occurs the developing embryos must signal their presence to the sow, they do this by secreting the hormone ________. This prevents the sow from releasing the hormone ________ which would trigger the resumption her estrous cycle
estrogen prostaglandin
72
large roundworm larvae penetrate the walls of the ____________ to enter the bloodstream where they first travel to the __________. The scar tissue left behind at this first stop is called ___________. After 3-4 days at their first stop the larvae enter the bloodstream again and travel to the pigs ______ where they spend 4-5 days. The larvae are eventually ______ and __________ by the pig before completing their final journey to become adults
intestine liver milk spots lungs coughed up re-swallowed

ASC 408G: Swine (37 decks)

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