The normal haematological and plasma biochemical values were determined in the male and female Nigerian local duck (Anas platyrhynchos). There were no significant sex differences in the erythrocyte and leucocyte values. There were also no sexual dimorphism in the plasma levels of electrolytes, proteins, metabolites, lipids and enzymes of this bird. The current population of ducks in Nigeria stands at about 11.79 million. The majority of these ducks are the Nigerian local type reared in villages using the extensive management system.
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