Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Relationship between feed withdrawal and viscera condition of broilers

J K Northcutt1, S I Savage, L R Vest

  • 1Department of Poultry Science, University of Georgia, Athens 30602, USA.

Poultry Science
|February 1, 1997
PubMed
Summary

Feed withdrawal significantly impacts broiler gastrointestinal tracts, affecting gizzard contents and intestinal integrity. However, liver color changes are not solely due to feed withdrawal duration.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The effect of high-level chlorine carcass drench on the recovery of Salmonella and enumeration of bacteria from broiler carcasses.

Poultry science·2014
Same author

Antioxidant activity of carnosine extracted from various poultry tissues.

Poultry science·2013
Same author

Meat quality and sensory attributes of a conventional and a Label Rouge-type broiler strain obtained at retail.

Poultry science·2012
Same author

Survival of artificially inoculated Escherichia coli and Salmonella Typhimurium on the surface of raw poultry products subjected to crust freezing.

Poultry science·2011
Same author

Effect of stress on carnosine levels in brain, breast, and thigh of broilers.

Poultry science·2011
Same author

Microbiological and chemical analyses of ice collected from a commercial poultry processing establishment.

Poultry science·2009

Area of Science:

  • Animal Science
  • Poultry Science
  • Gastrointestinal Physiology

Background:

  • Understanding the physiological effects of pre-slaughter feed withdrawal is crucial for optimizing poultry processing.
  • Feed withdrawal impacts broiler carcass quality and digestive organ condition.

Purpose of the Study:

  • To investigate the effects of varying feed withdrawal durations on the viscera of commercial broilers.
  • To assess the impact on crop and gizzard contents, intestinal morphology, and liver color.

Main Methods:

  • Broilers were subjected to feed withdrawal for 0 to 18 hours.
  • Dissection determined crop and gizzard contents.
  • Intestinal shape and villi were scored; liver color was measured colorimetrically.

Related Experiment Videos

Main Results:

  • Feed withdrawal duration significantly affected gizzard contents, intestinal shape, and villi (P < 0.05).
  • Intestinal integrity declined after 12-14 hours of feed withdrawal, evidenced by sloughing.
  • Livers showed decreased redness (lower a*) with increased withdrawal time, but lightness (L*) remained unaffected.

Conclusions:

  • Feed withdrawal duration significantly influences the broiler gastrointestinal tract.
  • Liver color variations cannot be solely attributed to feed withdrawal time.
  • Optimal feed withdrawal periods should consider impacts on digestive organ condition and intestinal integrity.