Valores bioquimicos clinicos sanguineos de vacas cursando con decubito en el sur de Chile.
1993
Wittwer F.G. | Heuer G. | Contreras P.A. | Bohmwald H.
To obtain information about the downer cow syndrome in the south of Chile, the biochemical composition of 76 blood samples, from downer cows was determined. The samples were analyzed for Beta-hydroxy-butyrate, urea, total proteins, albumins, calcium, phosphorus, magnesium, sodium, potassium, AST, GLDH and GGT and the results compared with reference values. The most common blood abnormalities found were: increased AST (82%), hypocalcaemia (51%) hypomagnesaemia (47%), uraemia (49%, hypokalaemia (38%) and increased GLDH (33%). According to blood analysis, hypomagnesaemia (33%) and milk fever (26%) were the most common diagnoses. Other alterations associated with downer cows were nutritional deficiency (11%), liver damage (9%), hypokalaemia (4%) and ketosis (3%). No metabolic abnormalities were identified in 13% of the cases. The results are a first approach to the understanding of metabolic disturbances associated with downer cows in Chile and provide orientation for further studies to improve the prevention and treatment of this syndrome.
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