Is it okay to feed the pigeon ordinary sand?

Feeding pigeons ordinary sand can only help digestion, functional such as health sand.In addition to sand in health sand, there are nutrients such as bone meal, phosphorus, calcium, salt, and trace elements.When feeding the pigeons health sand, you should pay attention to health sand to be cash -to -feed to avoid pollution.The recipe of health sand should be adjusted according to the development of pigeons into different stages.When replacing the health sand formula, give a transition period to adapt to the dove.