1. Code of Practice and General Operating Standards for Poultry Feed Processing;Danish Poultry Council,2005
2. Microbiological survey of furnished cages and non-cage systems for laying hens;De Reu;World's Poult. Sci. J.,2006
3. European Committee for Standardization. 2000. European Standard EN1656. Chemical disinfectants and antiseptics—Quantitative suspension test for the evaluation of bactericidal activity of chemical disinfectants and antiseptics used in veterinary field—Test method and requirements (phase2/step1).
4. Russell, Hugo & Ayliffe's Principles and Practice of Disinfection, Preservation and Sterilization;Fraise,2004
5. Hygiene indicator microorganisms for selected pathogens on beef, pork, and poultry meats in Belgium;Ghafir;J. Food Prot.,2008