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Body condition score loss, hepatic lipidosis and selected blood metabolites in Holstein cows during transition period

100%

Samanc H., Gvozdic D., Fratric N., Kirovski D., Djokovic R., Sladojevic Z., Cincovic M.

Animal Science Papers and Reports

2015

tom 33

nr 1

The aim of this study was to investigate the relationship between the loss in body condition score (BCS) and loss (ΔBCS), energy balance (EB), hepatic lipidosis and blood serum concentration of non esterified fatty acids (NEFA), glucose, triacylglycerol (TAG) and total bilirubin (tBIL) in healthy dairy cows during transition period. Twenty healthy Holstein cows were included and categorized into groups based on BCS loss (ΔBCS) between dry period and early lactation (ΔBCS <0.75 and ≥0.75). Significant differences between groups (p<0.05) were observed for blood serum NEFA, glucose and tBIL. Cows with high ΔBCS (≥0.75) between dry period and early lactation showed increased blood serum NEFA, TAG and tBIL concentrations and lower blood serum glucose concentration during transition period, compared to the low ΔBCS cows (<0.75). Metabolic profiles of cows during transition period indicate high level of lipid mobilization from adipose tissue, possible decreased liver cells TAG export and gluconeogenic ability and impaired bilirubin metabolism if ΔBCS is increased by more than 0.75 points. ΔBCS was in relation with energy balance (EB) in transition period.

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Ultrasonography as a diagnostic and prognostic approach in cattle and buffaloes with fatty infiltration of the liver

80%

Tharwat M.

Polish Journal of Veterinary Sciences

2012

tom 15

nr 1

The aim of the present study was to determine whether ultrasonographic evaluation of the hepatic parenchyma could be used as a diagnostic and prognostic approach in cows and buffaloes with hepatic lipidosis. For this purpose, cows (n=16) and buffaloes (n=10) with fatty infiltration of the liver were examined by ultrasonography. Treated cows and buffaloes were monitored for hepatic changes ultrasonographically, biochemically and histologically. Clinical findings were non-specific and included anorexia, recumbency, muzzle necrosis, and icteric mucosal membranes. Laboratory data revealed neutrophilia, hyper γ-globulinemia, elevated activities of aspartate aminotransferase, γ-glutamyl transpeptidase, creatine kinase and lactate dehydrogenase, and high concentrations of insulin, total bilirubin, non-esterified fatty acids and β-hydroxyl butyric acid. Laboratory results 7, and 21 days after treatment showed progressive improvement in the chemistry profile. On admission, ultrasonographic examination of the hepatic parenchyma in cows and buffaloes revealed either increased or decreased hepatic echogenicity; histologic examination revealed marked fatty infiltration of the hepatocytes. One week after treatment, the hepatic parenchyma was visualized easily, liver boundaries were clearly imaged, and histologic examination of hepatic specimen showed a moderate degree of fatty infiltration. Three weeks after treatment, the hepatic parenchyma was almost similar to normal, the hepatic and portal blood vessels could be easily imaged, and the histologic picture had greatly improved where the liver resembled the normal organ. Six cows and seven buffaloes made a full recovery while the remaining ten cows and three buffaloes were slaughtered and thoroughly examined postmortem. Ultrasonography showed a good correlation with histologic and laboratory findings.

Ograniczanie wyników

1 Animal Science Papers and Reports

1 Polish Journal of Veterinary Sciences

1 Cincovic M.

1 Djokovic R.

1 Fratric N.

1 Gvozdic D.

1 Kirovski D.

1 Samanc H.

1 Sladojevic Z.

1 Tharwat M.

1 2015

1 2012

Wyniki wyszukiwania

Body condition score loss, hepatic lipidosis and selected blood metabolites in Holstein cows during transition period

Ultrasonography as a diagnostic and prognostic approach in cattle and buffaloes with fatty infiltration of the liver