Abstract
A female Holstein calf with a body weight of 35 kg was born alive after a normal pregnancy period in September 2010 at a commercial dairy farm in Karaj, Iran. At birth, the cleft lip, jaw, and palate were obvious. The cleft was approximately 8.4 cm in length and 7.2 cm in width at the widest part. Pulse rate, respiration rate, and body temperature of the calf were 112/min, 42/min, and 38°C, respectively. Respiration was abdominal and irregular. Necropsy revealed that there was no more congenital abnormality except for the facial defect. Radiologic examination revealed that the cleft extended from the median lip to the rostral part of the palate, which made the dorsal nose and the palate separate. Based on examination of the craniofacial skeletal in detail following maceration, it was revealed that all the facial bones were developed and the defect was just limited to cleft lip, jaw, and palate, which was resulted from failure of closure in facial processes. Accordingly, abnormality was diagnosed as bilateral cleft lip, jaw, and palate.
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