For the past 2 days we had the honor to have veterinarian Monica Rosca of Reprovet Chesterfield here. Monica was eager to learn more about the CASA system we work with. Monica, thank you for the fine cooperation. For the past 2 days we had the honor to have veterinarian Monica Rosca of Reprovet Chesterfield here. Monica was eager to learn more about the CASA system we work with. Monica, thank you for the fine cooperation.