Towards zero solid waste: utilising tannery waste as a protein source for poultry feed

Agriculture & Biology

• tannery waste 100%
• solid wastes 73%
• protein sources 56%
• poultry 50%
• zero wastes 33%
• waste utilization 28%
• hides and skins 26%
• feed additives 22%
• tanneries 14%
• leather industry 13%
• leather 11%
• calorimeters 11%
• industrialization 11%
• in vitro digestibility 11%
• amino acids 11%
• enzymatic treatment 10%
• Bangladesh 10%
• nutrient requirements 10%
• extracts 10%
• chromium 10%
• gelatin 9%
• threonine 9%
• scanning electron microscopes 9%
• soybean meal 9%
• amino acid composition 9%
• thermal stability 8%
• serine 8%
• leucine 8%
• collagen 8%
• arginine 8%
• methionine 8%
• dietary fiber 8%
• high performance liquid chromatography 8%
• heat treatment 8%
• concentrates 7%
• metals 7%
• protein content 7%
• oxidation 7%
• wheat 6%
• testing 3%
• sampling 3%
• methodology 2%