Clinical Observation of Abomasual Impaction Induced functional Disorder of the Pylorus in Japanese Black Calves.

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Ten calves diagnosed as retension of feed residues in abomasum from the clinical symptoms, were observed clnically, and the ways of diagnoses and treatments were studied. Either of calves with onset was a Japanese black calf suckling. Onset was noted 18 to 158 days after birth, 48 days on the average. In either case the initial symptom was watery stool, which however did not improve by the treatment for diarrhea. Whith gradual development of weakness, loss of appetite, distended abdominal circumference, splash around the abomasum, and markedly decreased defecation were noted. Either of 3 animals, Case Nos. 1 - 3, to which the medical symptomatic therapy was applied continuously even after the 6 th day of illness, died in the course of 19 days on the average. For two animals, Nos. 4 and 5, abomasectomy was performed after the 6 th day counted from onset, while for 5 animals, Nos. 6 -10, an abdominal massage was given for the purpose of agitating the abomasum with the contents. As the result, next day of the either treatment an abundant quantity of stool or the normal stool was discharged, and general symptoms were improved simultaneously.<BR>At the pyloric region of Case Nos. 1 and 2, there were ulcers narrowing the pylorus with their elevations, while in case of No.3 the pylorus was occlided with a hair-bulb. In the abomasum of Case Nos.4 and 5 surgically operated, undigested vegetable fibers were accumulated. Based on the above, it was known that when distension of abdominal circumference, splash around the abomasum and marked decrease of stool discharge are noted as clinical symptoms on calves, an abdominal massage around the abomasum or abomasectomy for treatment of gastric ulcer are effective.
日本家畜臨床学会の論文

Clinical Observation of Abomasual Impaction Induced functional Disorder of the Pylorus in Japanese Black Calves.

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日本家畜臨床学会 | 論文

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