Increasing egg production and egg shell strength in poultry involves treatment before laying with biphosphonic acids or their salts, especially 4-chlorophenylthio-methylene-biphosphonic acid

摘要

A method for increasing egg production and strengthening egg shells in poultry involves treating the birds with biphosphonic compound(s) selected from biphosphonic acids, physiologically acceptable salts of these acids, their hydrates and mixtures of these.