Aim: The present work was designed to study the incidence of obstructive urolithiasis and to apply comparative diagnosis to urine retention cases. Materials and Methods: A total of 78 non-castrated buffalo calves aging 3-11 months were included in this study. 68 calves were admitted to the Veterinary Teaching Hospital. Zagazig University. https://allfixelectricales.shop/product-category/stove-fan-cover-clip/