The aim of this study was to evaluate the effect of supplementation with linseed on plasma concentrations of glucose, albumin and cholesterol, as well as the quality of oocytes obtained by ovum pick-up (OPU).Proceedings of the 30th Annual Meeting of the Brazilian Embryo Technology Society (SBTE); Foz do Iguaçu, PR, Brazil, August 25th to 27th, 2016, and 32nd Meeting of the European Embryo Transfer Association (AETE); Barcelona, Spain, September 9th and 10th, 2016. A150. Folliculogenesis, Oogenesis and Superovulation. Título em português: Parâmetros sanguíneos e taxa de viabilidade oocitária de vacas girolando suplementadas com linhaça (Linum usitatissimum l.) – resultados preliminares