The length of time broilers are off feed and water prior to slaughter may influence processing yield and fecal contamination. This study was undertaken to determine if lengthy withdrawal times have any effect on the composition of broiler breast meat. Three groups of broilers, off feed for 8, 20, or 32 hr (water was withdrawn 2 hr after feed withdrawal) were conventionally processed. At least 20 carcasses per group were randomly selected and the breast meat analyzed for proximate composition, five minerals (phosphorus, potassium, sodium, magnesium, and calcium), and three vitamins (riboflavin, niacin, and B6). Results showed no significant differences (P<.05) between treatments in any of the components determined except for protein. However, the difference was only .6% and should be of little concern in human nutrition.
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ANG et al. (1985) studied this question.
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