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InVet
versión On-line ISSN 1668-3498
Resumen
CATTANEO, L et al. Evaluation of metabolic and biochemical blood parameters in lactating cows with Cystic Ovarian Disease. InVet [online]. 2013, vol.15, n.1, pp.07-15. ISSN 1668-3498.
The aim of the study was to determine and evaluate different blood parameters associated to energetic, protein, mineral and liver metabolic processes together with productive and reproductive parameters in dairy cows of Santa Fe province (Argentina) that were diagnosed with cystic ovarian disease (COD). Lactating Argentine Holstein cows from five dairy herds with spontaneous COD (n= 80) diagnosed by ultrasound and control cows (n= 124) were included in the study. Blood samples were obtained from all cows to determine serum concentrations of: growth hormone, insulin-like growth factor (IGF-1), insulin, aspartate aminotransferase, alkalin phosphatase, gamma glutamiltransferase, albumin, total proteins, albumin: globulin ratio, total and direct bilirrubin, ²-hidroxibutirate, colesterol, glucose, urea, creatinin, calcium, phosphorus and magnesium. Serum concentrations of insulin and IGF-1 were lower (P<0.05) in COD than control cows. No significant differences among groups were observed in any other variables studied, however, the calving to conception interval was higher in cows with COD compared to controls. These results allowed us to conclude that there would be an association between blood concentrations of IGF-1 and insulin and COD that, ultimately, compromise the reproductive performance of the cow.
Palabras clave : Ovarian cyst; Metabolism; Hormones; Infertility.