Sustainable Utilization of Tannery Raw Hide Trimmings Waste for Poultry Feed Production
DOI:
https://doi.org/10.38032/scse.2025.3.82Keywords:
Raw Hide, Trimming, Poultry Feed, Protein, Solid WasteAbstract
Rising prices of traditional protein sources like soybeans and maize are challenging the global livestock industry, necessitating cost-effective and sustainable alternatives. This study explores tannery raw hide trimmings waste (TRHTW), a chromium-free byproduct with high protein (33%) and fat (2%) content, as a viable poultry feed ingredient. Unlike chromium-tanned leather waste, TRHTW offers a safer and nutritionally balanced feed. The research formulated poultry feed blends incorporating TRHTW by washing, boiling, sun-drying, and grounding into fine powder alongside traditional ingredients like maize and soymeal, comparing them to conventional diets based on nutrient profile, energy value, and heavy metal content. Structural and chemical properties were analyzed using FTIR, SEM, and AAS. Key findings demonstrate that TRHTW-based feed is chromium and lead free, with 85% digestibility, reducing costs while providing a sustainable protein alternative for poultry feed formulation. Adherence to safety and regulatory standards is essential to ensure poultry and consumer health. Future studies should refine TRHTW processing for optimized nutritional and safety outcomes, advancing sustainable feed solutions within a circular economy framework.
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Copyright (c) 2025 Md. Tarekul Islam, Md. Suzaul Karim, Md. Elias Uddin (Author)
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