Farm

Question 1

Red water disease

Answer 1

Clostridium hemolyticum (Novyi type D): treat with penicillin or oxytetracycine

Question 2

Postpartum endometritis

Answer 2

Arcanobacterium pyogenes

Question 3

Postparturient hemoglobinuria

Answer 3

Hypophosphatemia: decreases ATP in RBCs

Question 4

Contagious mastitis pathogens

Answer 4

Strep agalactiae + staph aureus + corynebacterium bovis + mycoplasma spp.

Question 5

Environmental mastitis pathogens (7)

Answer 5

Strep uberus + strep dysgalactiae + pseudomonas aeruginosa + E. coli + enterobacter aerogenes + Arcanobacterium pyogenes + proteus spp.

Question 6

Woody tongue

Answer 6

Actinobacillus lignieresii

Question 7

Lumpy jaw

Answer 7

Actinomyces bovis

Question 8

Type 1 vagal indigestion

Answer 8

Free gas bloat: secondary to bronchopneumonia –> mediastinal LN enlargement

Question 9

Type 2 vagal indigestion

Answer 9

Failure of omasal transport: secondary to hardwire disease

Question 10

Type 3 vagal indigestion

Answer 10

Failure of pyloric outflow: Hypochloremia + retention of bicarbonate –> metabolic alkalosis + hypokalemia + paradoxical aciduria

Question 11

Ergotism

Answer 11

Claviceps purpura fungal infection from rye, oats, wheat or Kentucky bluegrass

Question 12

Elso heel

Answer 12

Hereditary spastic paresis –> stiff hocks

Question 13

Ringworm

Answer 13

Trichophyton verrucosum: treat with lime sulfur or

0.5% sodium hypochlorite or 0.5% chlorhexidine or 1% povidone iodine or natamycin or enilconazole

Question 14

Hypoderma spp:

Answer 14

Cattle grub: migrate to epidural fat + mature and burst through skin of the back –> treat with ivermectin in early fall as larvae migrate

Question 15

Sarcophaga spp.

Answer 15

Flesh flies: eggs deposited in wounds or ulcers

Question 16

Simulium flies

Answer 16

Buffalo gnats or black flies: adult females suck blood causing fly bother

Question 17

Anopheles

Answer 17

Mosquitos that carry malaria and West Nile Virus

Question 18

Malignant edema

Answer 18

Clostridium: septicum, novyi type B, perfringens type A, sordelli

Question 19

Mycobacterium avium ssp. paratuberculosis

Answer 19

Johne’s disease

Question 20

Dictyocaulus viviparous

Answer 20

Cattle lung worm

Question 21

Babesia

Answer 21

Rhipicephalus tick vector (formerly Boophlus annulatus tick)

Question 22

Vesicular stomatitis

Answer 22

Rhabdovirus

Question 23

Foot-and-mouth disease

Answer 23

Picornavirus

Question 24

Bluetongue

Answer 24

Reovirus

Question 25

BVD

Answer 25

Flavivirus

Question 26

Bovine papilloma virus-1

Answer 26

Penile warts in young bulls

Question 27

Causes for colic

Answer 27

Intussusception + cecal dilation and torsion + abomasal volvulus

Question 28

Epizootic abortion

Answer 28

Unknown etiology vectored by Ornithodoros ticks

Question 29

Winter dysentery

Answer 29

Suspected coronavirus

Question 30

Listeriosis

Answer 30

Penicillin

Question 31

Anaplasmosis

Answer 31

Tetracycline

Question 32

Necrotic laryngitis

Answer 32

Calf diphtheria: Tetracycline IV + SC long acting

Question 33

Ovine herpes virus type 2

Answer 33

Malignant catarrhal fever

Question 34

Heartwater disease

Answer 34

Ehrlichia ruminantium spread in Africa/West Indies by Amblyomma ticks

Question 35

Interdigital necrobacillosis

Answer 35

Infectious foot rot: treat with single dose of florfenicol

Question 36

Salmonella Dublin

Answer 36

Vaccinate calves + cull carrier cows

Question 37

Treponema spirochete

Answer 37

Hairy foot warts: treat with topical tetracycline/lincomycin or foot baths

Question 38

Histophilus somni

Answer 38

Thromboembolic meningoencephalitis: treat early with antimicrobials

Question 39

Frothy bloat

Answer 39

Treat with poloxalene orally

Question 40

Prohibited drugs (9)

Answer 40

Diethyl stilbestrol + chloramphenicol + nitroimidazoles + clenbuterol + fluoroquinolones + vancomycin + nitrofurans + phenylbutazone + sulfa drugs

Question 41

Neonatal calf diarrhea

Answer 41

Cryptosporidium + rotavirus + salmonella + coronavirus + enteropathogenic E. coli

Question 42

Cochliomyia hominivorax

Answer 42

Screwworm: blue-green fly lays eggs at edges of wounds

Question 43

IBR

Answer 43

White fibrinonecrotic plaques

Question 44

Preconditioning calves for feedlot

Answer 44

Vaccines: IBR + BVD + PI3 + Clostridial diseases as well as dehorning, deworming and castrating

Question 45

Mycoplasma bovis

Answer 45

Ear infections in calves + pneumonia, arthritis, mastitis and abortion in cows

Question 46

USDA

Answer 46

Meat + poultry (including eggs) + catfish

Question 47

FDA

Answer 47

Food + food labels + use of veterinary drugs + seafood