Rectal prolapse secondary to a urachal abscess in an alpaca cria.

A five-month-old alpaca cria presented with a history of abdominal pain, dysuria, and a recurring rectal prolapse. An ultrasonographic examination indicated a urachal abscess attached to the urinary bladder. The abscess was removed surgically, and the patient had an adequate recovery after the procedure and ancillary treatment.

Presumptive metastatic leiomyosarcoma in a feedlot steer.

A 14-month-old feedlot steer was depressed and died while being examined. The gross post-mortem examination of the steer conducted at the feedlot identified numerous masses within the abdomen and thorax, including a large mass in the liver that eroded into the vena cava. Many masses in the lungs appeared to be the result of hematogenous distribution.

Cultivable endophytic bacteria from leaf bases of Agave tequilana and their role as plant growth promoters.

Agave tequilana Weber var. 'Azul' is grown for the production of tequila, inulin and syrup. Diverse bacteria inhabit plant tissues and play a crucial role for plant health and growth.

Azygous continuation of the inferior vena cava with anomalous hepatic vein drainage.

A 62-year-old woman was referred for evaluation of hypoxemia. Despite a resting SaO(2) of 89%, she was otherwise asymptomatic. The arterial blood gas on room air demonstrated a pO(2) of 58 mm Hg.