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Feed withdrawal refers to the total length of time the chickens are without feed prior to processing. The timeline for feed and water withdrawal can be from 2 to 24 hours. The ideal withdrawal period should be short enough to avoid considerable losses in live weights or carcass yields, but long enough to allow the digestive tract to become empty. Generally, research indicates that the optimal feed withdrawal time is between 8 and 12 hours prior to processing, as this withdrawal period yields the lowest occurrence of carcass contamination and carcass yield losses. This work was performed in...

Feed withdrawal refers to the total length of time the chickens are without feed prior to processing which reduce carcass contamination. Generally, research investigates the effect of different pre-slaughter feed withdrawal periods (0.0, 4.0, 8.0 and 12.0 h) and live body weight grade at slaughter (grade W1 from 1800 to 2000 g and grade W2 from 1600 to 1800 g) on carcass contamination. In addition the effect of carcass immersion in acetic acid (10%) for 15 minutes and different pre-slaughter feed withdrawal periods (0.0, 4.0, 8.0 and 12.0 h) on microbiological structure of gut content total...