Preparation of solutions.- Expression of concentration.- Buffers and their preparation.- Techniques in biochemical evaluation.- Carbohydrate estimations.- Estimation of lipids.- Qualitative and quantitative estimations of amino acids and proteins.- Protein purification techniques.- Cell disruption and fractionation.- Enzymes in metabolism.- Isoenzyme analysis.- Chromatographic separations.- Methods for nutritional quality evaluation of food materials.- Nutritional evaluation of forages.- Techniques in molecular biology