ABOMASAL DISPLACEMENT IN THE BOVINE - A REVIEW ON CHARACTER, OCCURRENCE, ETIOLOGY AND PATHOGENESIS

Literature on the subject of character, history, occurrence, causes an d pathogenesis of abomasal displacement in the bovine is listed and su mmarized. The chapter on occurrence is subdivided according to heritib ility, sex, age; season, husbandry, milk yield and concomitant disease s. In the chapter on causes special consideration is given to feeding. The chapter on pathogenesis is subdivided according to mechanical inf luences, disturbances of the abomasal motor activity, collection of ga s and dilatation of the abomasum and artificial displacement of the ab omasum. Displacement of the abomasum is seen predominantly in the spri ng in herds with above-average milk yield in dairy cows between the ag e of 4 and 7 years which have calved within the last month and have ke tosis. The etiology and pathogenesis of abomasal displacement are uncl ear.