Zoonosis

Question 1

zoonotic diseases of cattle

Answer 1

brucellosis
tuberculosis
variant creutzfeldt jacob
cryptosporidiosis
leptospirosis
anthrax
rabies
pseudocowpox
ringworm

Question 2

brucellosis causes __ and __ in ruminants and humans get it most commonly from ___ products resulting in __ and ___

Answer 2

abortion, lower conception rates, unpasteurized/raw, abortion, undulant fever

Question 3

Tuberculosis is caused by __ that can be inhaled or ingested causing __, __ and __ in cattle. In humans its spread by respiratory droplets or ___ products causing ___, __, and __ or is __.

Answer 3

M. Bovis, diarrhea, lymohadenopathy, intermittent fever, emaciation

raw milk/meat products, non-healing ulcers, cough/pain, and meningitis

Question 4

CJD in humans can have an incubation period of __ years and signs of __ changes, persistent __ , dementia and neuro signs

Answer 4

10, behavioral, pain

Question 5

what are the control effects for CJD and what is the risk in the US?

Answer 5

• prohibition of the slaughter of down cows
• inhibit feeding mammalian meat/bone meal in livestock animal feed
• prohibiting specified risk materials in any product

Question 6

cryptosporidiosis in humans causes moderate/severs __, low grade __ and __ cramps with very ___ tx options and gets worse for the immunocompromised

Answer 6

watery diarrhea, fever, stomach, limited

Question 7

Cryptosporidiosis has millions of __ expelled daily by infected persons/calf and it only takes __ to infect humans so you wear a __

Answer 7

oocysts, 10-130, mask

Question 8

leptospirosis in humans is __ with the 1st phase showing __ symptoms and the 2nd causing __, __ and __ . The dz is mostly self limiting but should be tx with __ to prevent severe disease

Answer 8

biphasic, flu-like, meningitis, kidney failure, liver damage, antibiotics

Question 9

Anthrax is __ in the US but most commonly presents as the __ form and needs __ treatment

Answer 9

RARE, cutaneous, quick

Question 10

rabies is a __ transmitted by __ with no treatment available once symptoms start

Answer 10

lyssavirus (enveloped ssRNA), saliva

Question 11

pseudocowpox looks like __ disease in cattle and is known as ___ in humans where they gain __ but there is no __ or ___

Answer 11

foot and mouth, milkers nodules, immunity, vax, tx

Question 13

dermatophytosis is __ and can be treated with __ and __ or prevented by __ and increased __

Answer 13

ringworm, antifungal sprays and creams, gloves, hygeine

Question 14

Zoonotic diseases of small ruminants

Answer 14

Q fever
chlamydiosis
Orf
Toxoplasma gondii
Brucella melitensis
Mcobacterium caprae

Question 15

Q fever is caused by __ which is resistant to __ , __, __ and __ causing abortions, __ and __ in small ruminants

Answer 15

high temps, uv light, disinfectants, osmotic pressure, weak offspring and stillbirths

Question 16

what does q fever look like in humans?

Answer 16

flu like symptoms
GIT symptoms
pneumonis

most ppl get it from raw milk, meat, etc and need intracellular long duration antibiotics

Question 17

chlamydiosis in sheep is caused by __ and causes __ and __ in both animals and humans with __ being the best preventative measure

Answer 17

chlamydia abortus, abortion and fetal death, PPE

Question 18

ORF is a __ spread by direct or indirect contact that in sheep causes lesions on the nostrils, __, __, __, __and inside mouths while humans usually have lesions on their __. The best way to prevent it is to __ and there is a __ available

Answer 18

parapoxvirus, around the eyes, coronary band, vulva, udder, hands, wear gloves, vaccine

Question 19

T/F: small ruminants with T gondii look very sick

Answer 19

F- they just abort or have mummies

Question 20

brucella melitensis is __ pathogenic in humans

Answer 20

highly

Question 21

Zoonotic swine diseases

Answer 21

Swine Flu
streptococcus
erysipeloid
yersinia enterocolitica
nipah virus
hepatitis E virus
MRSA
pseudorabies

Question 22

Swine flu is an ___ that causes __, __ and other flu like symptoms in humans and swine

Answer 22

orthomyoviridae, fever, lethargy

Question 23

what is the difference between antigenic drift and shift?

Answer 23

drift:
random mutations
slight change in antigen
slowly
epidemics

shift:

reassortment of genome
new surface antigens
quickly
epidemics and pandemics

Question 24

Streptococcus is the __ infectious disease in swine industry. It causes __ , __ and __ in swine while it cause __, __, __ and __ in humans with __ consumption asa the most common risk factors

Answer 24

leading, meningitis, septicemia, arthritis

meningitis, sepsis, toxic shock, uveitis

Question 25

erysipeloid is __ important to the pig industry and causes __ on hands in humans

Answer 25

economically, mild cutaneous red swelling

Question 26

what antibiotics can treat erysipeloid?

Answer 26

penicillin and cephalosporins

Question 27

yersinia enterocolitica causes little to no disease in _ but causes fever, abd pain, bloody diarrhea and sepsis in __

Answer 27

swine, humans

Question 28

__ are the primary reservoir of nipah virus which causes __ causing death with a __ mortality rate in humans

Answer 28

fruit bats, encephalitis, 40%

Question 29

what are 2 emerging swine zoonoses?

Answer 29

hepatitis E virus MRSA

Question 30

pseudorabies is present in __ swine and prevented by good __

Answer 30

feral, biosecurity

Question 31

HPAI is spread by __ and ___ with a __ mortality rate in birds and mild __ signs in humans with 50% mortality

Answer 31

feces, respiratory secretions, high, UR

Question 32

Virulent new castle disease in birds can be velogenic with __ mortality or mesogenic with __ mortality and poor egg quality/quantity

Answer 32

90%, 10%

Question 33

chlamydia psittaci exists as an __ between cells and causes __ signs in birds and __ signs in humans

Answer 33

elementary, GI, respiratory **tx with antibiotics**

Question 34

shiga toxin producing e-coli are naturally in cattle but a a major cause of ___ in humans

Answer 34

foodborne illness

Question 35

Listeriosis gram + short rods multiply at ___ F and cause __ with unilateral lesions in cattle and mild __ illness in humans

Answer 35

24, encephalitis, intestinal

Question 36

Campylobacter fetus fetus causes __ in sheep and cattle and __ or __ in humans that is often self limiting

Answer 36

sporadic late term abortion, gastroenteritis, rarely sepsis

Question 37

campylobacter jejuni jejuni naturally colonizes in the __ of poultry, cattle and sheep and is one of the __ causes of human gastroenteritis in the world

Answer 37

intestines, most common