Objective: This work was done at the layer farm in Masjed Soleyman city; the breed exploited being the White Leghorn in the farm. With the objective to evaluate the homeopathic remedy “Calcareous Phosphoric” in hydro alcoholic solution was applied at a dose of 5 drops or 0.25 ml per animal in drinking water. Materials and Methods: We were selected randomly 50 cages with 4 animals per cage, giving a total of 200 animals, 25 control cages and 25 subject cages. The following indicators were observed and monitored: egg shell thickness, cracked egg shell percentage, broken egg shell percentage, the final eggs production, % of broken eggs, Statistic package version 6.0 was used for statistical processing hypothesis test was made for two proportions. Results and Conclusion: We were observed better results in the experimental group with relation of egg shell thickness, cracked egg shell percentage, broken egg shell percentage, the final eggs production. It was concluded that the application of the Calcareous Phosphoric an exerted a positive influence over the indicators previously mentioned.