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Flashcards in GI Deck (34)
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1
Q

why do heifers tend to have poor colostrum

A

Leak milk prior to calving

2
Q

Why do holsetins have poor colostrum

A

high production

3
Q

leaving dairy cows with their calves leads to what?

A

FPT

4
Q

name one complication of dystocia with regards to the calf

A

Aciodsis-inadequate igG uptake

5
Q

what is the SG of good quality colostrum

A

1050

6
Q

how much colostrum should a calf recieve

A

4L for first 4 hours

7
Q

name 2 diseases that should be included in vaccine of a new born calf

A

K99. clostridium perfriengens C, D

8
Q

When does the calf reach full immunological competence

A

3-4 months

9
Q

name the type of toin carred by the enterotoogenic e-coli

A

heat stable

10
Q

what does the heat stable to*in do?

A

Activates cyclic AMP& GMP. opens up Na channels

11
Q

what is the most practical way of assessing FPT

A

sodium sulfite

12
Q

what is the problem using TP in assessing FPT

A

dehydration/fibrinogen

13
Q

why can e coli occur in such young calfs

A

high ph in abomasum after birth

14
Q

what is a resuscitation fluid

A

polyionic/isotonic fluid. 145 meq/L

15
Q

name 2 reasons why a calf with e coli becomes acidotic

A

diarrhea/hypovolemia- anaerobic metabolism

16
Q

what is the formula for determining bicarb deficit

A

deficitBW0.4

17
Q

what are the sources of bicarb and how do you apply it

A

baking soda, NaCO3

18
Q

what is one of the main preventative methods for e coli

A

vaccinate cow

19
Q

for how long and why can a diarrhea persist after microbiological cure of rotavirus

A

6-10 days. time for new enterocytes to mature

20
Q

name 3 syndromes associated with corona virus

A

winter dysentary
PED
snots
BRD

21
Q

what type of pathology is associated with corona virus in the gut

A

maldigestion/malabsorption

22
Q

name 2 antiseptics that are effective against corona virus

A

chlorhe*idine

phenols

23
Q

at what age can cryptosporidium parvum result in clinical disease

A

5 days

24
Q

how is crypto transmitted

A

contact

aerosol

25
Q

name 3 syndromes associated with c. perfringens type A

A

abomasum bloat and inflammation
hemorrhagic bowl syndrome
sudden death

26
Q

what clostridium can cause acute deaths in young calve due to necrotic enteritis

A

type C

27
Q

what clostridia should be included in a vaccine for a couple week old calves. one of them has the very potent epsilon to*in

A

Type C&D

28
Q

what is a predisposing cause for the development of c. perfriengens type D

A

overeating

29
Q

which 2 clostridia are associated with sudden death syndrome

A

type A

sordelli

30
Q

what is the reason for considering using a systemic antibiotic in salmonella

A

septicemia

31
Q

what is the meaning of a host adapted strain in salmonella.

A

resistant. develop carrier state

32
Q

what organs may become affected by systemic salmonella

A

spleen, gall bladder, mesenteric LN

33
Q

name 2 causes of parasite induced chronic diarrhea in cattle

A

cooperia

ostertagia

34
Q

what does clostridium chauovei, septicemia and sordelli have in common

A

gram postitive, anarobes