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Nucleofection and In Vivo Propagation of Chicken Eimeria Parasites
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Published on: February 14, 2020

Spirochaetosis in broilers.

R M Dwars1, F G Davelaar, H F Smit

  • 1Department of Poultry Diseases, State University of Utrecht, Doorn, The Netherlands.

Avian Pathology : Journal of the W.V.P.A
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

Broiler chickens infected with spirochaetes showed reduced growth and impaired nutrient absorption. This suggests intestinal issues not directly caused by the bacteria or liver damage.

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Area of Science:

  • Avian medicine
  • Microbiology
  • Animal nutrition

Background:

  • Spirochaetes are bacteria that can cause disease in various animals.
  • Understanding the impact of specific bacterial isolates on broiler health is crucial for poultry production.

Purpose of the Study:

  • To investigate the effects of a specific spirochaete isolate (1380) on one-day-old broiler chickens.
  • To evaluate the impact of this infection on growth, serum biochemistry, and nutrient absorption.

Main Methods:

  • One-day-old broilers were inoculated with spirochaetes from either plate culture or intestinal homogenates.
  • Growth, serum biochemical parameters (protein, lipid, carotenoids, bilirubin, enzyme activities), and fecal fat content were assessed at 13-15 and 21 days post-inoculation.

Main Results:

  • Infected broilers exhibited depressed growth, decreased serum protein, lipid, carotenoids, and bilirubin.
  • Increased fecal fat content indicated impaired fat absorption.
  • Elevated serum alkaline phosphatase activity was observed, while other liver enzymes remained unaffected.

Conclusions:

  • Spirochaete infection in broilers leads to impaired resorption in the small intestine.
  • The observed effects are not attributable to direct spirochaetal damage to the intestinal wall or liver pathology.