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Kansas Agriculture Experiment Station Manhattan
ABSTRACT
A brief paper was published on "Hereditary Edema in Ayrshire Cattle" in the April, 1955, Journal of Dairy Science (38: 440–441). This young Ayrshire bull evidently was homozygous for hereditary edema. A large cyst was present in the pituitary gland with deficiencies in both the anterior and posterior lobes of the gland.
Since the publication of this paper, a second Ayrshire animal has been examined that was almost identical in age and appearance with the first one except that this animal was a female. In this heifer the pituitary gland also possessed a large cyst not significantly different from that described and pictured for the bull. Except for the edema no other abnormalities were observed.
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