Occurrence the Pica in suckling calves of dairy-cattle farms in Varamin suburbs

Pica refers to an abnormal appetite due to various nutrition causes that imposes heavy losses to the cattleculture industry every year. One outbreak of pica in the several marginal dairy farms of Varamin city made us to investigate and research about causes,treatment,control and prevention of this disorder. This Clinical trial was performed on 35 stricken and 30 healthy Holstein calves (30-50 days old). The calves were devided to groups include first control (30 calves without Pica), first Treatment (35 calves with Pica) , second control (the calves of first control group after treatment) and second treatment (the calves of first treatment group after treatment). Before and after the receiving treatment (2 dose of 500mg than iron drop with one week interval), blood samples were taken from every 65 calves and to determine the CBC and the levels of the blood mineral elements was sent to the laboratory. Datas were analyzed by SPSS statistical software, F test with the significant level of P