You know calcium serves so many roles in the body of a bird. Ranging from ensuring strong bones to strong egg shells. calcium ensures that the muscles around the vent a strong enough to prevent prolapse
Calcium supply should be on target at each level of development
Any deficit will see birds manifest different signs. Like weak legs, weak egg shells and pecking of each others feathers some times.
Therefor a farmer ought b a master mind regulator and monitor of calcium levels in the birds diet.
Ok yes, many formula of feeds have shells, lime, dcp and dcp granula as major calcium sources.
However, at times these a not enough.
An external source whenever there is a deficit can always be sought.
And APSA PHOS CAL has proved to be a very good in water calcium source that can help fight against these deficities.