can be increased with rotation onto fresh pasture Access to the outdoor range for a minimum of 8 hours per day, except in adverse weather conditions 2 metres worth of popholes per 1,000 birds for access to the range Beak trimming is permitted, and to be undertaken by an accredited operator The above standards are not always met, and on some occasions producers may want more ethical standards. As such, certified trade marks play a significant role in the determining of what constitutes free range. The key certifications used for layer hens in Australia include the following: Egg Corp Assured is the weakest standard, set by the industry peak group and largely based on the Model Code of Practice. Egg Corp Assured differs in that it interprets the outdoor stocking density figure as largely irrelevant to welfare. Egg Corp Assured has been known to certify farms running up to 44,000 birds per hectare outdoors, far in excess of recommendations. Like the Model Code of practice, beak trimming is allowed and indoor densities run up to 15 birds per square metre. RSPCA Approved Farming is a standard that can be applied to both barn-laid and free-range egg producers. Farms using this certification must have an indoor density of 9 birds per square metre indoors on slats, or 7 birds per square metre indoors in a deep-litter system. The standards dictate a maximum outdoor density of 1500 per hectare without rotation, or 2500 birds per hectare with rotation, and beak trimming is allowed. Free Range Egg & Poultry Australia (FREPA) standards provides a sliding scale for indoor density, with 10 birds per square metre allowed only in enclosures housing less than 1000 birds, and 6 birds per square metre the maximum for barns with over 4000 birds. Nothing is said in the standards about outdoor density, thus it is assumed that farmers must meet the standards under the Model Code. Beak trimming is allowed under this certification. Humane Choice True Free Range standards are some of the most sound as far as animal welfare is concerned. Beak trimming or any other mutilation is not permitted, perches must be provided, and maximum flock numbers cannot be greater than 2500 per barn. The outdoor stocking density is 1500 birds per hectare, and the indoor density is 5 birds per square metre. Australian Certified Organic Standards include criteria on feed content and the use of