Bovine Metabolic Disease

Question 1

what scale is used in dairy cattle

Answer 1

1-5

Question 2

T/F if the line is a flattened V over the thurl the cow is

Answer 2

true

a crescent would mean >3.25

Question 3

T/F if sacral and tailed ligaments are visible the BCS = 3.25

Answer 3

true
if barely visible = 3.5
if tailed not = 3.75
if neither = 4.0

Question 4

T/F if hooks rounded BCS

Answer 4

false = 3.0

if angular

Question 5

T/F if no fat pad on pins BCS >2.5

Answer 5

F,

Question 6

T/F if thurl flat BCS >4.0

Answer 6

True

if all boney prominences well rounded = 5

Question 7

T/F Milk intake peaks before feed intake does and as BCS troughs

Answer 7

T

as BCS increases the cow decreases intake and becomes dry

Question 8

When do you usually see fatty liver syndrome

Answer 8

2 wks prepartum-10 wks postpartum

Question 9

What predisposes a cow to fatty liver syndrome

Answer 9

obesity with a long dry period or access to increased nutrients - but disease associated with weight loss

Question 10

What will you see on the hemogram of a cow with fatty liver

Answer 10

leukopenia with degenerative left shift and incased liver enzymes

Question 11

which forms of tx are not useful if the liver is not functioning for fatty liver dx

Answer 11

fructose, Propylene glycol or sodium propionate

Question 12

T/F you can see hypocalcemia with ketosis

Answer 12

true

Question 13

tx for ketosis is?

Answer 13

give steroids to stimulate gluconeogenesis

Question 14

prevention for ketosis

Answer 14

increase dry matter intake, feed high quality forages and min negative energy balance after calving

Question 15

T/F pregnancy toxemia is common in dairy cattle

Answer 15

false - beef and small ruminants

Question 16

Cause of milk fever

Answer 16

rapid onset of milk production causes acute depletion of Ca

Question 17

1st stage of milk fever is…

Answer 17

very short near - hypersenstivity

Question 18

2nd stage of milk fever is…

Answer 18

sternal recumbency with low temp, bloat

Question 19

3rd stage of milk fever is…

Answer 19

flaccid muscle in lateral recumbency, coma

Question 20

how long does the response to treatment for milk fever take

Answer 20

immediate if it is going to work

give Ca borogluconate IV slowly or PO if can swallow-keep them down

Question 21

prevent of milk fever

Answer 21

feed anionic salts during the dry period= DCAD should be - in dry and + during lactation
give paste during calving and no alfalfa or legume during dry period

Question 22

what kind of cows are most likely affected by hypophosphatemia

Answer 22

grazing cow-young and heavily lactating

Question 23

when do you see postpartum hemoglobinuria with hypophosphatemia?

Answer 23

postpartum within 6 wks after calving

Question 24

CS in young animals with hypophos

Answer 24

rickets

Question 25

CS in adults with hypophos

Answer 25

osteomalacia, spontaneous fractures, hemoglobinuria

Question 26

Tx for hypophos

Answer 26

sodium acid phosphate IV

Question 27

when do you hypomag?

Answer 27

cattle fed on lush green during cool growing season

Question 28

CS for hypomag

Answer 28

hyper excitable, staggering to recumbency, nystagmus, salivation

Question 29

T/F can see hypocalcemia and hypophos with hypomag

Answer 29

true

Question 30

tx for hypomag

Answer 30

magnesium hypo phosphate, Ca PO - can prevent with supplements

Question 31

Def’n of Downer cow

Answer 31

stays in sternal recumbency for >24 hours after being found
lateral = dead
normal CS

Question 32

Downer cow associated with what risk factors

Answer 32

milk fever
BCS @ calving - large
high production
hx
5-8 yrs

Question 33

What will you see on blood panel of downer cow

Answer 33

AST, CPK high

proteinuria, myoglobinuria, ketonuria

Question 34

When do you see lymphosarcoma with spinal involvment

Answer 34

around parturition due to increase of steroids which increase tumor growth

Question 35

Two grave prognosticators of Downer syndrome

Answer 35

rise in CPK and BUN

Question 36

Very important prevention of Downer cow

Answer 36

prevent hypoCa