“…Therefore, a laboratory diagnosis is required to determine if the birds suffer from urolithiasis through macroscopic and histologic examinations. In most literature, urolithiasis is characterised by kidney atrophy, distended or dilated ureters, and varying sizes of uroliths/visceral urate deposits (Morishita and Porter Jr, 2021). These characteristics can be scored using a kidney lesion score that assists to determine the severity of the kidney damage.…”