Abomasal sounds are typically high pitched with tinkling and splashing sounds which are often peristaltic these sounds may be heard spontaneously or after gently ballotting the lower part of the abdomen in that area. The displaced abomasum can be heard on the left flank, usually between the ninth and twelfth ribs over the upper two thirds of the abdominal wall.
Rumenal movements are reduced in frequency and strength and faecal output is reduced and slightly soft, but in some cases intermittent profuse diarrhoea may occur
Quite often a concurrent septic focus may be detected e.g. Rectal temperature, cardiovascular and respiratory findings are all within the normal range. In the period following calving (may vary from a few days to weeks) there will be a selective anorexia (roughage eaten, concentrates refused), accompanied by a marked drop in milk yield and a ketotic smell from the breath, milk and urine A secondary acetonaemia usually develops.Ĭoncentrate feeding and lack of exercise are also important factors in the aetiology. It has been suggested that the abomasum moves forward and to the left under the rumen during late pregnancy when the gravid uterus causes the rumen to lift slightly from the abdominal floor, and then becomes trapped when the rumen re-expands after calving. It is not comprehensive and always seek veterinary advice about any disease affecting your stock.Ī disease which occurs mainly, although not exclusively, in high producing dairy cows during the first 6 weeks of lactation.Ībomasal( 4th stomach) motility is known to be reduced when cattle are fed a diet with a high fat and/or high protein content and once the abomasum becomes hypotonic it will become distended with food material and gas.
This presents some information about the more important diseases affecting cattle in the U.K.
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