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KMID : 1094020220390060342
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Journal of Veterinary Clinics
2022 Volume.39 No. 6 p.342 ~ p.352
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Hematology, Serum Biochemistry, and Acute Phase Proteins in Hanwoo (Bos taurus coreanae) Calves with Diarrhea
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Chae Jeong-Byoung
Ku Ji-Yeong
Park Kwang-Man
Choi Kyoung-Seong
Chae Joon-Seok
Park Jin-Ho
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Abstract
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This study was conducted to identify the useful blood variables in diagnosing calf diarrhea in Hanwoo calves and good indicators for calf diarrhea. In 530 Hanwoo calves, fecal scores were recorded on a scale of 0 to 3, and blood samples were collected and analyzed for hematology, serum biochemistry, and acute phase proteins. Among the blood variables, 16 blood variables showed significant differences (p < 0.01) according to fecal scores. After reference intervals of these 16 blood variables were calculated, the distributions of calves by calculated reference intervals showed a significant difference (p < 0.001) and linear associations (p < 0.001) in blood urea nitrogen (BUN), glucose (GLU), blood sodium concentration (Na), blood potassium concentration (K), fibrinogen (Fib), and haptoglobin (Hp). Of 6 blood variables, the optimal cut-off values were calculated for BUN, K, Fib, and Hp, and the area under the curve was 0.5 or more: BUN (9.5 mg/dL, AUC: 0.623), K (5.8 mmol/L, AUC: 0.599), Fib (650.0 mg/dL, AUC: 0.706), and Hp (12.5 mg/dL, AUC: 0.847). These findings could be useful in evaluating calves with diarrhea and making decision of further treatment of calf diarrhea in Hanwoo calves.
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KEYWORD
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hanwoo calves, calf diarrhea, hematology, serum chemistry, acute phase proteins.
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