Peripartum back fat thickness of multiparous Holstein-Friesian cows with displacement of the abomasum or ketosis |
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| Authors: | Yamakawa Kazuhiro Aoki Takahiro Matsui Motozumi Yamada Kazutaka Ishii Mitsuo |
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| Institution: | Department of Applied Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Nishi 2-sen 11, Obihiro, Hokkaido 080-8555, Japan. |
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| Abstract: | To establish a method to predict postpartum diseases using prepartum back fat thickness (BFT), the peripartum BFTs of 54 healthy multiparous cows before calving, which were diagnosed with postpartum displacement of the abomasum (DA), clinical ketosis or subclinical ketosis were compared with those of healthy cows from 8 weeks before the expected calving date to 8 weeks after calving. The peripartum BFTs of the cows with DA or clinical ketosis were significantly higher than those of healthy cows. The peripartum BFTs of the cows with subclinical ketosis were not significantly higher than those of the healthy cows. |
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