Zinc in pet food. Deficiency and excess.

Regarding the recent Nutro recalls due to processing error, (check the article written by Lorie Huston) I will talk a general information for our readers about zinc, excess and deficiency.

Under normal circumstances, deficiency and excess of zinc is really uncommon, almost always due to processing error, as this case.

Requirements for dogs and cats: 50mg/kg

Deficiency: Anorexia, weight loss, slow growth, emesis, generalized thinning of hair coat, scaly dermatitis, parakeratosis, hair depigmentation, decreased testicular development and wound healing, depression and peripheral lymphadenopathy

Excess: calcium and/or copper deficiency.

By. Carlos Gutiérrez

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