GI Flashcards

1
Q

why do heifers tend to have poor colostrum

A

Leak milk prior to calving

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2
Q

Why do holsetins have poor colostrum

A

high production

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3
Q

leaving dairy cows with their calves leads to what?

A

FPT

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4
Q

name one complication of dystocia with regards to the calf

A

Aciodsis-inadequate igG uptake

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5
Q

what is the SG of good quality colostrum

A

1050

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6
Q

how much colostrum should a calf recieve

A

4L for first 4 hours

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7
Q

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

A

K99. clostridium perfriengens C, D

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8
Q

When does the calf reach full immunological competence

A

3-4 months

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9
Q

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

A

heat stable

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10
Q

what does the heat stable to*in do?

A

Activates cyclic AMP& GMP. opens up Na channels

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11
Q

what is the most practical way of assessing FPT

A

sodium sulfite

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12
Q

what is the problem using TP in assessing FPT

A

dehydration/fibrinogen

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13
Q

why can e coli occur in such young calfs

A

high ph in abomasum after birth

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14
Q

what is a resuscitation fluid

A

polyionic/isotonic fluid. 145 meq/L

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15
Q

name 2 reasons why a calf with e coli becomes acidotic

A

diarrhea/hypovolemia- anaerobic metabolism

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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

24
Q

how is crypto transmitted

A

contact

aerosol

25
name 3 syndromes associated with c. perfringens type A
abomasum bloat and inflammation hemorrhagic bowl syndrome sudden death
26
what clostridium can cause acute deaths in young calve due to necrotic enteritis
type C
27
what clostridia should be included in a vaccine for a couple week old calves. one of them has the very potent epsilon to*in
Type C&D
28
what is a predisposing cause for the development of c. perfriengens type D
overeating
29
which 2 clostridia are associated with sudden death syndrome
type A | sordelli
30
what is the reason for considering using a systemic antibiotic in salmonella
septicemia
31
what is the meaning of a host adapted strain in salmonella.
resistant. develop carrier state
32
what organs may become affected by systemic salmonella
spleen, gall bladder, mesenteric LN
33
name 2 causes of parasite induced chronic diarrhea in cattle
cooperia | ostertagia
34
what does clostridium chauovei, septicemia and sordelli have in common
gram postitive, anarobes