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Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis

By U. T. Mahmoud, M. A. M. Abdel-Rahman, M. H. A. Darwish, T. J. Applegate, H. Cheng

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This experiment was conducted to evaluate the effects of dietary supplementation of green Brazilian propolis on behavioral patterns and feather condition of heat stressed broiler chickens. Five hundred and four (504) male Ross 708 broiler chicks at 15-day old were randomly allotted to six dietary treatments containing 0 (control), 100, 250, 500, 1000 and 3000 mg kg -1 propolis, respectively. Each treatment consisted of four replicates of 21 birds each. Heat stress at 32°C was applied daily from 08:00 am to 17:00 pm from day 15-42. Twelve birds per treatment were randomly taken and marked with livestock color for behavioral observation. Treatment effects on behavioral patterns were recorded using direct observation instantaneous scan sampling technique. At the end of the experiment (42 days of age) the three birds used for behavioral observation were feather scored (from 1 to 5); while all birds (504) were individually scanned for primary feather abnormalities. The results indicated that the effects of using propolis as a feed additive for broilers reduced heat stress behavior, especially dietary treatment with 250 or 3000 mg kg -1 propolis, by increasing bird walking activities and reducing panting behaviors ( P

Publication Title Applied Animal Behaviour Science
Volume 166
Pages 98-105
ISBN/ISSN 0168-1591
DOI 10.1016/j.applanim.2015.03.003
Language English
Author Address Department of Animal Hygiene, Faculty of Veterinary Medicine, Assiut University, Assiut 71526,
Cite this work

Researchers should cite this work as follows:

  1. Animal behavior
  2. Animal nutrition
  3. Animals
  4. Bees
  5. Behavior and behavior mechanisms
  6. Birds
  7. Brazil
  8. Broilers
  9. Chickens
  10. Developing countries
  11. Diets
  12. Effect
  13. Feathers
  14. Feed additives
  15. Feeding
  16. Feed supplements
  17. Fowls
  18. Heat stress
  19. Languages
  20. Livestock
  21. peer-reviewed
  22. Poultry
  23. sampling
  24. South America
  25. supplementary feeding
  26. therapeutics
  27. therapy
  28. Threshold Countries
  29. United States of America
  30. vertebrates
  1. peer-reviewed