Entodinium protozoan

Phosphorus deficien…

Biotin deficiency, …

Pantothenic acid de…

Niacin deficiency, …

Niacin deficient ch…

Niacin deficiency, …

Nubian doe with twi…

Green stick fractur…

Cow nursing a calf

Rickets in the fox

Rickets, typical st…

Rickets, soft beak,…

Rickets in a dairy …

Vitamin K deficienc…

Map of cobalt defic…

Chick with zinc def…

Parakeratosis of ch…

Normal and zinc def…

Map of manganese de…

Zinc deficiency in …

Zinc deficiency in …

Enzootic ataxia in …

Cow with low copper…