Experimental and experiential recommendations for using the GreenFeed systems to measure gas flux in grazing and confined cattle. - French EA; Beck MR; Kalscheur KF; Jaramillo DM; Derner JD; Moffet CA; Neville BW; Soder KJ; O'Connor RC; Koziel JA; Vadas P; Moeller S; et al. (MethodsX, 2025)