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PoLlltry Manure Handling rage 01 ' freshly produced manure, except that very dry manure will shrink 25%in volume due to compaction during handling. 6. Poultry litter is usually 15 to 30% moisture. In this range it is crumbly and doesn't stick together. Below 15% moisture it is dusty, and above 30%moisture it becomes sticky and slippery. In the 15 to 30%range, it weighs about 20 lbs. per cu. ft. 7. Solid manure that is stored in place under slatted floors,wire floors or cages will adjust to 65% moisture. Drying with circulating fans can reduce this to 50%. Similarly, new cage systems that have air circulation for positive manure drying on the belts can reduce moisture levels to 40 or 50%. Volume of Poultry Manure Production There are several methods available to estimate or calculate poultry manure production. One of the best methods is to measure the rate of production from your operation. This may not be possible if the storage design is needed before production begins. You can estimate the volume of manure production from the quantity of feed to be fed in a given period of time. Multiply the tonnes of feed fed by 80 to get cubic feet of liquid manure and by 40 to get cubic feet of dry manure produced. Poultry manure storage volumes are listed in . The volumes are given for the housing periods listed for the usual duration of a flock. If you are constructing the storage for a longer or shorter period, multiply the storage volume by the number of flocks cycles or fraction of cycles during the storage period. Table 1. Poultry Manure Storage Volumes REQUIRED STORAGE FOR CLASS OF POULTRY HOUSING PERIOD HOUSING PERIOD DAYS LIBIRD CU.FT.IBIRD Egg Strain Caged Laying Hens -Liquid 365 84 3.0 Manure System 1 11 Egg Strain Caged Laying Hens- Dry 365 42 1.5 (solid) Manure Egg Strain Laying Hens on Partial or 365 48 1.7 Total Litter Meat Strain Laying Hens on Partial or 335 56 2.0 Total Litter Caged Egg Strain Pullets-Liquid 140 12 0 44 Manure System F-- Caged Egg Strain Pullets-Dry(solid) 140 6 0.22 Manuree Egg Strain Pullets on Litter 140 9 0.30 Meat Strain Pullets on Litter 140 12 0.40 Chicken Broilers on Litter 42 3.5 0.12 Roasters on Litter 56 4 0.14 Ducks- Liquid Manure 49 20 0.7 Turkey Breeder Hens on Litter 180 74 2.6 Turkey Breeder Toms on Litter 180 1 134 4.6 Turkey Brooding on Litter IF42 IF 4 11 0.14 Turkey Broilers on Litter 105 15 0.52 http://www.gov.on.calomafra/engli sh/livestock/poultry/facts/93-013.htm 11/14/03