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Inventory flows began with one day old baby chicks in the grandparent generation, continued through the parent generation, and ended with live market-weight broilers and culled hens ready for transport to processing at the farm gate. Product system boundaries include all material and energy flows associated with crop production and live poultry operations, including the handling and disposal of mortalities and manure. It includes the fraction of a spent hen attributable to the production of one broiler. Both types of live weight poultry are at the farm gate, ready for transport to the processing plant, although not necessarily at the same farm. This product system represents the poultry meat produced for human consumption as a result of producing one broiler.
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