A commercial layer that lays an egg almost everyday derives its calcium requirements entirely from the feed it consumes. The nutritional requirements of chicken have been understood completely over the years. Today's layer bird yields 325 eggs in 365 days.
The chicken feed is mainly composed of maize, broken rice, soya, groundnut and sunflower cake, oyster shell grit and dicalcium phosphate.
The calcium requirements are mainly contributed by the shell grit. The feed is a precisely formulated one and the nutritional requirements of the layer are fully met by the feed it consumes daily.
Courtesy : The Hindu
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