Difference between revisions of "Skin Nutritional - Pathology"

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===[[Copper Deficiency]]===
 
===[[Copper Deficiency]]===
*Hair or wool depigmentation
 
**Black sheep develop bands of lighter colouring
 
**Cattle develop spectacle pattern of depigmentation around eyes)
 
**Coat colour may change from black to reddish brown
 
  
 
[[Category:Integumentary System - Nutritional Pathology]]
 
  
  

Revision as of 17:59, 22 February 2011


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()Map INTEGUMENTARY SYSTEM (Map)



General

  • Often combined deficiency which improves when animal is fed a balnced diet
  • Sometimes caused by change in demand (pregnancy, growth, cold weather) or due to disease

Zinc Deficiency

Copper Deficiency

Vitamin A Deficiency

  • In dogs
  • Grossly: generalised scaling
  • Microscopically: marked follicular hyperkeratosis


Vitamin E Deficiency

  • Steatitis may develop in cats fed excess fatty acids or with vitamin E deficincy
  • Grossly: firm, yellow or orange nodules in subcutaneous tissue
  • Microscopically: nodular to diffuse granulomatous panniculitis, macrophages and giant cells, oedema, fat necrosis, neutrophils and ceroid pigment