NADIS Knowledge Transfer- Nerve Injuries in Cattle

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Excessive traction during delivery of the calf in anterior presentation can result in which TWO of the following problems:

	Femoral nerve damage in the calf
	Adductor paresis (obturator nerve and sciatic nerve injuries) in the calf
	Tibial paralysis in the calf
	Radial nerve paralysis in the cow
	Adductor paresis (obturator nerve and sciatic nerve injuries) in the cow

Study the one week-old calf in the figure above. This calf has been unable to stand since an assisted calving, the most likely cause is:

	Selenium and Vitamin E deficiency (white muscle disease)
	Stood on by cow causing fracture of the thigh bone of one hind leg
	Spinal abscess
	Femoral nerve paralysis affecting both hind legs
	Congenital heart defect

Colostrum intake must not be less than:

	1 litre within 24 hours
	1 litre within 12 hours
	2 litres within 12 hours
	1 litre within 4-6 hours
	2 litres within 4-6 hours

Study the three month-old calf in the figure above. The hind leg weakness, present since an assisted calving, is most likely caused by:

	Selenium and Vitamin E deficiency (white muscle disease)
	Joint ill
	Congenital abnormality
	Femoral nerve paralysis
	Brain abnormality caused by BVD virus

Prevention of umbilical (navel) infections is best attempted by:

	Immersion of the umbilicus (navel) in strong veterinary iodine BP at birth and again 2-4 hours later
	Antibiotic aerosol sprays
	Topical dairy disinfectants
	Single injection of antibiotics
	Use of navel clamps

Obturator nerve paralysis in cows usually results from:

	Excessive traction during delivery of the calf in anterior presentation (calf coming forwards)
	Excessive traction during delivery of the calf in posterior presentation (calf coming backwards)
	Uterine prolapse
	Mineral deficiency
	Trace element deficiency

Study the calf featured in the figure above. This foreleg problem, present since birth, most likely resulted from:

	Cow goes down whilst being calved in standing position with calf half way out and calving jack still attached
	Excessive traction during delivery of the calf in posterior presentation (calf coming backwards)
	Congenital deformity
	Calf stood on by cow
	Joint ill

Study the calf in the figure above with femoral nerve paralysis. How long will it take for this injury to fully recover?

	1-2 days
	1-2 weeks
	1-2 months
	3-6 months
	9-12 months

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