Physiological Problems of Postpartum Calves

Question 1

Perinatal Calf Losses

Answer 1

Death <2d old
Typically non-infectious
Associated with physiological derangements

Question 2

Neonatal Calf Losses

Answer 2

Death >3d
Likely infectious in nature

Question 3

Non-Shivering Thermogenesis

Answer 3

Brown fat = highly vascular, metabolically active
Aerobic metabolism
Blood shunted to increase body temperature

Question 4

Shivering Thermogenesis

Answer 4

Shivering of skin and skeletal muscle
Increases heat production by 33-100%
Hypoglycemic and hypoxemic calves do not shiver

Question 5

Normal Calves at Birth

Answer 5

Transient hypoxia/ischemia
Mild mixed respiratory and metabolic acidosis
Mild hypoxemia
Lactic acidosis

Question 6

Normal Newborn Caves Body Temp and Timing

Answer 6

TIme to stand <1h
101-102F
Active suckling <2h

Question 7

3 goals for neonatal assistance

Answer 7

Stimulate and enhance respiration
Maintain body temp
Increase blood volume and provide energy

Question 8

Non-Immunoglobulin components of colostrum

Answer 8

Concentrated energy, protein, vitamins, minerals
Fluid, warmth