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Revista veterinaria
On-line version ISSN 1669-6840
Abstract
MARQUEZ, A; DE ABREU, J.C; MARQUEZ, Y.C and LOPEZ, A. Perfiles lipídico y proteico en plasma de yeguas de raza cuarto de milla en diferentes etapas reproductivas. Rev. vet. [online]. 2014, vol.25, n.1, pp.54-57. ISSN 1669-6840.
In order to identify changes in lipid and protein profiles in three reproductive stages of quarter horse mares (non-pregnant, pregnant and lactating), ten animals from a stud farm in Lara State, Venezuela, were studied. Anticoagulated plasma with EDTA was obtained by jugular puncture. Concentration of triglycerides (TG), total cholesterol (TC), and cholesterol linked to high and low density lipoproteins (HDL-Col and LDL-Col), as well as total protein (TP), albumin (AL) and globulins (GL) were determined by spectrophotometry. Results showed significant decreases (p<0.01) in plasma levels of TC and HDL-Col during pregnancy and lactation, as well as significant increases in TP and GL in pregnant mares in contrast to non-pregnant and lactating ones. It is hypothesized that such variations resulted from the metabolic and hormonal demands of each reproductive stage.
Keywords : Mare; Lipids; Proteins; Reproductive period.