A backyard chicken is presented for laying less eggs than normal and listless behavior. Examination reveals tiny blackish brown specks moving around the hen's vent. Which one of the following is the most likely diagnosis?

ادامه مطلب

2. Enzymes accelerate the rate of the reactions they catalyze by:

ادامه مطلب

Which new amino acid was recently found to be specified by the genetic code, in addition to the 20 known previously?

ادامه مطلب

This is a corneal abscess secondary to infectious keratoconjunctivitis (pinkeye). What is the most commonly recognized organism that causes pinkeye in cows?

ادامه مطلب

What is the purpose of placing a permanent rumen fistula in some cattle?

ادامه مطلب

A 2-year-old Quarter horse filly presents with a history of intense pruritis and alopecia in the perineal area (see image). The owners indicated that they noticed the filly rubbing her tail head and perineal area along fences for a period of one week. What diagnostic test will you use to confirm your top differential?

ادامه مطلب

A diet that is low in thiamine or high in sulfur can cause ____________ in sheep, goats and cattle.

ادامه مطلب

A 13-year-old male castrated Golden Retriever is presented with respiratory distress.  A lateral thoracic radiograph is obtained. What is the primary abnormality visible in the radiograph?

ادامه مطلب

Tommy, a 4-year old male neutered domestic short hair, presents to you for frequent urination. Urinalysis reveals 4+ struvite crystals. An abdominal radiograph shows a 1 cm round calculus in the bladder. Tommy does not have a urethral blockage, and urine culture is negative. The owner says surgery to remove this stone is not an option due to finances. Which of the following would be the most important treatment for Tommy

ادامه مطلب

A group of 2 1/2-month-old feeder pigs are presented with non-pruritic keratinized skin lesions and mild lethargy. One severely affected animal is depressed and anorexic.

ادامه مطلب