The Best Available Techniques (BAT) Reference Document (BREF) for Slaughterhouses, Animal By-products and/or Edible Co-products Industries is part of a series of documents presenting the results of an exchange of information between EU Member States, the industries concerned, non-governmental organisations promoting environmental protection, and the Commission, to draw up, review and – where necessary – update BAT reference documents as required by Article 13(1) of Industrial Emissions Directive 2010/75/EU. This document is published by the European Commission pursuant to Article 13(6) of the Directive. The BREF for Slaughterhouses, Animal By-products and/or Edible Co-products Industries covers operating slaughterhouses with a carcass production capacity greater than 50 tonnes per day, the processing of animal by-products and/or edible co-products (such as rendering and fat melting, feather processing, fishmeal and fish oil production, blood processing and gelatine manufacturing) and a number of other activities specified in the Scope of the document. The BREF consists of seven main chapters. General information on the Slaughterhouses, Animal By-products and/or Edible Co-products Industries and their key environmental issues is given in Chapter 1. Chapter 2 provides information and data on generally applied processes and techniques, emission levels and techniques to consider for the determination of BAT across the sector. Chapter 3 provides information and data on applied processes and techniques, emission and consumption levels and techniques to consider in the determination of BAT for slaughterhouses. Chapter 4 provides information and data on applied processes and techniques, emission and consumption levels and techniques to consider in the determination of BAT for installations processing animal by-products and/or edible co-products. Chapter 5 presents the BAT conclusions as defined in Article 3(12) of the Industrial Emissions Directive (2010/75/EU). Chapter 6 provides information on emerging techniques. Concluding remarks and recommendations for future work are presented in Chapter 7.