exam 2 bovine inferetility n abortion virsus

Question 1

what is the most frequently diagnosed casue of viral abortion in NA???****

Answer 1

*****IBR****

Question 2

What are the 2forms of transmission

Answer 2

venereal form and systemic

Question 3

how can IBR be transmitted venereally

Answer 3

by instruments of AI

Question 4

in the systemic form how is IBR virus shed

Answer 4

in the aborted fetus n respiratory

Question 5

what virus can cause abortion

Answer 5

MLV

Question 6

what is the common abortion months seen in IBR

Answer 6

coomly abort between 4-8mo of gestation

Question 7

for the veneral form what are some things u can see

Answer 7

u can pustules, nodules, ulcers, and erosiions on vulva n penis

Question 8

what is this pix of?

Answer 8

the vereal form of IBD

Question 9

what is the tx for the veneral form

Answer 9

lesions spontaneously resolve in 1-2wks

Question 10

what are 2genotypes with BVD

Answer 10

BVD1, BVD2

Question 11

what are two genotypes seen with BVD

Answer 11

cytopathic and noncytopathic

Question 12

is it the cyotpathic or the noncyotpathic that has PI

Answer 12

noncytopathic

Question 13

is hortizontal or vertical transmission the primary source of BVD spread

Answer 13

vertical

Question 14

what are some congential defects seen with BVD

Answer 14

hydroencephalis

and loss of hair

Question 15

why is PI most problemeatic

Answer 15

because the cells dont know the virus is growing within them

Question 16

what are some outcomes of fetal infection in BVD

Answer 16

EED

and abortion

Question 17

what day can the fetus fight off infectin

Answer 17

120days if before than PI

Question 18

tell me some things about PI…. can they look normal or look pretty horrible?

can they show you chronic respiraotry dz?

Answer 18

They can look normal but really they are not

they can show respiratory signs

Question 19

so which one is PI?

Answer 19

BOTH of them

Question 20

which one has a more ecomically impact IBD or BVD

Answer 20

BVD

Question 21

BVD can affect reproduction and production

Answer 21

yup! si!

Question 22

if you do the virus isolation what is the problem with it

Answer 22

you have to wait until the cow is greater than 6mo so maternal abx dont get in the way

Question 23

what dx is the gold standard for BVD

Answer 23

virus isolation

Question 24

how can u control BVD

Answer 24

By having a closed herd

Question 25

what is the #1 fungal infeciton in cattle

Answer 25

aspergillus

Question 26

do u see aspergillus more in the winter or summer

Answer 26

winter

Question 27

what will u see with aspergillus

Answer 27

fungal hypahe

Question 28

what be this