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Maithili ducks are distributed in Motihari, Sitamarhi, Madhubani,
Araria, Kishanganj and
Katihar districts of Bihar. These ducks have uniform
light/dark brown feathers throughout the body. Circular spots on the feathers
(Mosaic pattern) in ducks. Dark brown to ash colour in drakes. Head is
bright black to greenish black in drakes and brown in ducks. Body carriage is
slightly upright and bill shapeis horizontal. Average age at first egg is 191.12
days (range 159-223). Average
annual egg production is 54.6 (range 33-71). Average egg weight is
49.53g. Body weight at 6 month of age is 1.18kg (range 1.12-1.24).Population
size is approximately 46,000.
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