Research Article

Dynamics of Progesterone, TNF-α, and a Metabolite of PGF2α in Blood Plasma of Beef Cows following Embryo Transfer

Figure 3

Concentrations (Mean ± SEM) of TNF-α among treatment groups on d 7, d 14, and d 21. Treatment day interaction ; CIDR = controlled internal drug release; GnRH = gonadotropin releasing hormone; hCG = human chorionic gonadotropin.