A Study of Serum Sialic Acid Concentrations as the Threshold of Health in Adult Dairy Cattle

概要

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Serum sialic acid is useful for diagnosis of inflammatory diseases and to observe their course of development. However, it is said to show differences in mean values according to ways of the feeding management. Therefore, serum sialic acid was measured using 88 adult dairy cattles in 4 farms and studied. As the result, the mean threshold of health was 45.2±14.0mg/dl being close to the level stated in the reports available, a little lower though. Referring to ages, it was 44.7±12.5mg/dl with those in 1-2 years, 44.7±13.9mg/dl with those in 2-3 years, 45.1±15.5mg/dl with those in 3-4 years, 47.9±15.3mg/dl with those in 4-5 years, and 44.2±12.9mg/dl with those over 5 years. Since serum sialic acid of adult dairy cattles is known to reveal certain differences in the threshold of health by districts, it was considered necessary to obtain the own threshold of health in the respective field making good use of the same in the dairy examinations.
獣医疫学会の論文