Selecting Potential Woody Forage Plants That Contain Beneficial Bioactives.- Collecting, Processing and Storage of Plant Materials for Nutritional Analysis.- In Vitro Methods for the Primary Screening of Plant Products for Direct Activity against Ruminant Gastrointestinal Nematodes.- Assessing Antiprotozoal Agents.- Screening for Anti-proteolytic Compounds.- Screening for Compounds Enhancing Fibre Degradation.- In Vitro Screening of Feed Resources for Efficiency of Microbial Protein Synthesis.- Screening of Plants for Inhibitory Activity Against Pathogenic Microorganisms from the Gut of Livestock.- Screening Plants for the Antimicrobial Control of Lactic Acidosis in Ruminant Livestock.- Screening Plants and Plant Products for Methane Inhibitors.- Challenges in Extrapolating In Vitro Findings to In Vivo Evaluation of Plant Resources.