Lec 4

Question 1

lice infestation in small ruminants

Answer 1

pediculosis

Question 2

biting lice

Answer 2

Bovicola (Damalinia) limbata

Question 3

bloodsucking lice

Answer 3

Linognathus

Question 4

small ruminants’ ticks

Answer 4

Boophilus microplus
Rhipicephalus

Question 5

Tickborne pathogen/protozoa

Answer 5

Anaplasma
Babesia

Question 6

rickettsial dx that is spread via contaminated needles, dehorning tools, and surgical instruments

Answer 6

anaplasmosis

Question 7

hemoparasitic protozoan dx

Answer 7

babesiosis (B. motasi)

Question 7

sheep scab causing scaly crust on wooly area

Answer 7

Psoroptes

Question 8

1. foot or leg mange
2. ear mange

Answer 8

1. Chorioptes
2. Sarcoptes

Question 9

causes nonpruritic papules and nodules (contain thick, waxy, and grayish materials) that develop over the face, neck, shoulders, and sides

Answer 9

Demodex

Question 10

eye worm

Answer 10

Thelazia

Question 11

1. inflammation of the cornea and conjunctiva due to a G (-) bacteria (Moraxella bovis)
2. vector of this dx

Answer 11

1. IKC (infectious keratoconjunctivitis)
2. fly

Question 12

causes of abortion

Answer 12

brucellosis
toxoplasmosis
campylobacteriosis

Question 13

other terms for brucellosis

Answer 13

contagious abortion
Bang’s dx

Question 14

causes abortion in cattle and ewe

Answer 14

cattle = B. melitensis
ewe = B. ovis

Question 15

indication of positive result of Brucella milk ring test

Answer 15

blue ring

Question 16

rapidly growing life stage of T. gondii

Answer 16

tachyzoites

Question 17

also called cystozoites, are the life stage found in the tissue cyst and are believed to replicate slowly

Answer 17

bradyzoites

Question 18

causative agent of campylobacteriosis (G-)

Answer 18

C. fetus

Question 19

other term for caseous lymphadenitis and its entry portal

Answer 19

cheesy gland
via wound

Question 20

causative agent of caseous lymphadenitis that is hardy and can survive fomites for 2 months and in soil for 8 months

Answer 20

Corynebacterium pseudotuberculosis

Question 21

forms of caseous lymphadenitis

Answer 21

Superficial (goat)
Visceral (sheep): economic importance

Question 22

loss of weight syndrome

Answer 22

thin ewe syndrome

Question 23

an interstitial mastitis (firm but non-inflamed udder in goats) that appears after birthing

Answer 23

retroviral mastitis

Question 24

causes hard udder

Answer 24

CAE

Question 25

contagious agalactia in sheep

Answer 25

mycoplasma mastitis

Question 26

causative agent of mycoplasma mastitis

Answer 26

M. agalactiae

Question 27

a gangrenous mastitis

Answer 27

bacterial mastitis

Question 28

usual cause of bacterial mastitis

Answer 28

S. aureus

Question 29

a metabolic dx that causes hypoglycemia leading to ketone formation

Answer 29

pregnancy toxemia

Question 30

other terms for pregnancy toxemia

Answer 30

ketosis
twin lamb dx
lambing paralysis

Question 31

has a Trojan horse strategy

Answer 31

lentivirus

Question 32

5 forms of CAE

Answer 32

hard udder
arthritis
pneumonia
progressive weight loss
encephalitis

Question 33

its clinical signs are lock jaw and spasm

Answer 33

tetanus

Question 34

tetanus toxin

Answer 34

Clostridium tetani toxin

Question 35

classified as TSE (transmissible spongiform encephalopathies) and a fatal neurologic dx

Answer 35

scrapie

Question 36

proteinase resistant protein

Answer 36

prion

Question 37

hybrid particle (non-translated nucleic acid)

Answer 37

virion