abomasal atony


abomasal atony
inadequate tone in the abomasal muscles, often seen in postparturient cows and a contributing factor to right and left displacement of the abomasum (see under displacement).

Medical dictionary. 2011.

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  • left displacement of the abomasum — (LDA) displacement of the abomasum of a cow to the left, underneath the rumen, with abomasal atony, usually soon after birth of a calf. It may be due to previous pressure from the gravid uterus or to abomasal distention from a high grain diet.… …   Medical dictionary

  • right displacement of the abomasum — (RDA) displacement of the abomasum of a cow to the right, with abomasal atony, usually soon after birth of a calf; it is sometimes due to obstruction of the pylorus. Symptoms include anorexia, drop in milk production, and a palpable fluid filled… …   Medical dictionary