Nursery Part 2

Question 1

mycoplasma pneumoniae can be transmitted

Answer 1

horizontally and vertically

Question 2

mycoplasma pneumonia otehr term

causative agent?

Answer 2

Porcine enzootic pneumonia

Mycoplasma hyopneumoniae

Question 3

Mycoplasma infect and reproduce in/around

DIrty, high _____levels
Resp issue worsens

Answer 3

resp vili; leads to destruction and entry of pathogens

ammonia

Question 4

Lethal pneumonia affecting piglet

❏ Lesions are concentrated on the ____
portions of the lung

Answer 4

mycoplasma pneumoniae

apical

Question 5

affected piglets clinical signs

Answer 5

Coughing, dyspnea, wasting

Question 6

prevention of mycoplasma pneumonia is hygiene, management and antibiotics such as

Answer 6

Tiamulin, Tilmicosin, Tylosin

Question 7

mycoplasma can be found in the pigs’

Answer 7

nares, brochius

Question 8

Porcine Pleuropneumonia/ APP
infection causative agent

Answer 8

Actinobacillus
pleuropneumoniae, (a.k.a.
Haemophilus pleuropneumoniae)

Question 9

APP:
Causes fatal ___1) and ____2) pleuropneumonia; lung _____3), ____4) exudation
-not seen in mycoplasma

Answer 9

1)fibrinous-hemorrhagic and 2)necrotizing

3) hemorrhaging, 4) fibrinous

Question 10

APP is Still a problem in Latin America, north america
and Europe only t/f

Answer 10

f - problem in Asia as well
eradicated in north

Question 11

problems?? in APP

Answer 11

❏ Poor weight gain, mortality, medication
cost, condemnation

Question 12

APP lung lesion

Answer 12

locally extensive dorsal diaphragmatic pneumonia (porcine fibrous pleuropnuemonia [bacterial])

Question 13

APP is transmitted via

Virulence factors two toxins

Answer 13

direct contact,
droplets; carriers

RTX and Apx toxins, (has endotoxins, O antigens)
others:
capsular factors, fimbriae and adhesins,
lipopolysaccharide, hemolysins,
cytotoxins, and permeability factors

Question 14

pores in the cell membrane –> (1) damaged ____ and _____ –> (2) vascular ____and _____-> (3) impaired _____ function
–> failure of clearance mechanisms

Answer 14

(1) capillaries and alveolar walls
(2) vascular leakage and thrombosis
(3) phagocytic

Question 15

piglets vaccinated against APP age

Answer 15

45-50 days old

Question 16

first reported in swine in 1918

causative agent?

related to human
strains; closely related to avian strains

Answer 16

Swine Influenza

Influenza virus-A in swine (IAV-S)

❏ Early H1N1 strains

Question 17

reassortment of north american and eurasian IAV-S

IAV subtypes are defined by their
_____ (H1-18) and
______(N1-10) glycoproteins

Answer 17

2009 H1N1 pandemic virus (H1N1pdm09):

Hemagglutinin (H1-18) and
Neuraminidase (N1-10) glycoproteins

Question 18

upper and
lower respiratory tract of human and
swine

found in
the lungs of both species

Answer 18

human‐type receptor

avian‐type recepto

Question 19

ytansmiteed via animal movement

Virus replication: epithelial cells of the upper only of pigs
t/f (nasal
mucosa, ethmoid, trachea, lungs)

Answer 19

swine flu

f - upper and lower

Question 20

Excessive ____ activity lead to typical lung inflammation
and disease

Virus excretion and transmission occur
via the respiratory route and reproductive route. t/f

high mort, low morb t/f

Answer 20

cytokine activity/ cytokine storm

f - exclusively sa resp

f - High fever; high morbidity (±100%), mortality
(± 1%

Question 21

IAV-S can predispose the host to
other pathogens t/f

Answer 21

t

Question 22

unique doagnosis sa SI

unique prevention and control sa SI

Ubiquitous pathogen

Answer 22

HI-test

stamping out

rotavorus

Question 23

rotavirus species, and species reported in swine

Can be involved in _____during the 1st ___ wks of life

Answer 23

10 species: A-J; Rotavirus A, B, and C

enteritis, 5 weeks

Question 24

The ____can be the source of the
virus; upon depletion of
protective IgA in milk clinical
infection

Answer 24

sow

Question 25

RV targets the epithelial cells of the
______l and____tissues;
24-48 hr incubation period

Replication occurs mainly in ____ resulting in
villous blunting and atrophy

Answer 25

small intestinal jejunaL ileal

\small
intestinal proximal villi,

Question 26

Fluid ____with semi-formed feces,
pale _____color

Answer 26

DIARRHEA, yellow

Question 27

effects of rv in piglets

Morbidity and mortality variable (percentage)

Answer 27

Anorexia, lethargy, death

20-86%

Question 28

❑ Complete herd removal is likely to remove rv infexn t/f

in RV infexn

Answer 28

f - unlikly

Question 29

in necropsy, fluid filled thin walled small intestine can be observed

porcine coccidiosis causative agent

Answer 29

RV

Isospora suis/Cystoisospora suis

Question 30

Occurs in nursing piglets between ____ days old

color of diarrhea

old animals are more susceptible than the young t/f

Answer 30

7-11

yellowish gray , y loose/pasty and
gradually become more fluid

f - young more

Question 31

The parasites infect the GIT mucosal
cells and replicate within ____

Replication leads to mucosal
destruction elading to

in cocci, use antiprotozoals such as

Answer 31

enterocytes

diarrhea, wasting, death

amprolium

Question 32

Other protozoan infection

Answer 32

❏ Toxoplasma spp.
❏ Sarcocystis spp.
❏ Giardia spp.

Question 33

greasy pig
disease, exudative epidermitidis casative agent

Seen in piglets ___ wks old

Answer 33

Staphylococcus hyicus;

<6

Question 34

infection is
carried by the ___on the skin or
vagina, introduced by contact or bites

Onset of painful facial or skin lesions,
prevents the piglet from ___

Answer 34

dam

suckling

Question 35

Initial red rashes become thickened,
with brown greasy exudates

Answer 35

staphy infexn