Universally applicable empirical equations specific for high- and low-forage diets were developed to improve the prediction of enteric methane production (eCH₄) from beef cattle. A database built using treatment means from published beef studies conducted in numerous countries was divided into two...

Fecal nutrients and apparent total tract digestibility (ATTD) were predicted using near-infrared spectroscopy (NIRS) of feces collected from the pen floor or the rectum of feedlot cattle in 2 studies, and pen floor samples were assessed for their ability to predict NE_g, ADG, and G:F. In study 1,...

Emissions of CH₄ methane from beef cattle grazing pastures characteristic of northern Australia are yet to be reliably quantified. Poor quality pastures and low animal productivity are typically associated with high CH₄ emissions/unit animal product. Our study reports two independent methodologies...