Transition Management

Question 1

Transition period

Answer 1

Close up 3wks
Calving
Fresh period 3wks

Question 2

Metabolic changes in periparturient cow

Answer 2

Rapid fetal growth
Changing diet
Initiation of lactation (sudden ca demand, hormonal)

Question 3

Transition management keys

Answer 3

Minimize DMI depression prepartum 
Minimize Dystocia 
Minimize hypocalcemia 
Minimize endometritis/metritis
Maximize DMI postpartum

Question 4

Feed intake

Answer 4

Drop 30% before calving

Energy requirement increases 20-30%

Question 5

Prepartum DMI affects

Answer 5

Immune function, risk for ketosis, start up milk, postpartum feed intake

Question 6

How to min drop in feed intake

Answer 6

Remove obstacles/stress (overcrowding, balanced TMR, feed to 3-5% refusals, group similar)

Question 7

Hypocalcemia stages

Answer 7

1- unsteady, tremors, cool extremities, <.5

3- lateral recumbent, bloat and death

Question 8

Calcium needs

Answer 8

Dry cow- 10-12g/d
At calving must bring 30g/d into Ca pool
Must absorb more from intestine or mobilize bone

Question 9

Prevent milk fever approaches

Answer 9

Traditional- restrict ca intake, activate PTH

DCAD- balance anions and cations, increase tissue respose

Question 10

DCAD

Answer 10

Analyze all forages for k, Na, Cl, S (select low K)

Test close up urine pH (6-7)

Question 11

Energy issues most critical in

Answer 11

Fresh cows.
Depressed appetite, increased production.
Lose.75 BCS
Excessive wt loss- prolonged anestrus

Question 12

Systemic abx for metritis

Answer 12

Ceftiofur, oxytetracycline, procaine penG, ampicillin

Question 13

Common fresh cow protocols

Answer 13

Abx, NSAIDs, corticosteroids, ca, energy(dextrose), oxytocin

Question 14

Fatty acid b oxidation

Answer 14

Provides ATP for glucose synthesis, not lead to net prod.