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Effect of dietary energy density and folic acid supplementation on white striping occurrence and growth performance of broiler chickens

Publication: Canadian Journal of Animal Science
29 January 2021

Abstract

Broilers were allocated to eight treatments consisting of two energy levels: normal (NE) and high (HE), and four folic acid (FA) levels (2.2, 5, 10, and 15 ppm). On day 42, two male and two female chickens were euthanized per pen, and white striping (WS) evaluation was performed on the pectoralis major. Birds fed HE diets had reduced (P < 0.05) feed intake and feed conversion rate than those on NE diets. With increasing FA levels, there was reduced (P < 0.05) WS score and increased (P < 0.05) normal breast fillet percentage in female chickens but not in the males. WS scores were higher (P < 0.01) in male chickens than in the females.

Résumé

Des poulets à griller ont été assignés à huit traitements, qui consistaient de deux niveaux d’énergie : teneur normale (NE — « normal energy ») forte teneur (HE — « high energy »), et quatre niveaux d’acide folique (FA — « folic acid »; 2,2, 5, 10 et 15 ppm). Au jour 42, deux poulets mâles et deux femelles ont été euthanasiés par enclos et une évaluation des stries blanches (WS — « white striping ») a été effectuée sur le muscle Pectoralis major. Les oiseaux ayant reçu les diètes HE montraient des réductions (P < 0,05) dans la consommation (FI — « feed intake ») et l’indice de consommation (FCR — « food conversion ratio ») par rapport à ceux ayant reçu les diètes NE. Avec des niveaux croissants de FA, il y avait une réduction (P < 0,05) de la cote WS, une augmentation (P < 0,05) du filet de poitrine normal chez les poulets femelles, mais non chez les mâles. Les cotes WS étaient plus élevées (P < 0,01) chez les poulets mâles que chez les femelles. [Traduit par la Rédaction]

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References

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Information & Authors

Information

Published In

cover image Canadian Journal of Animal Science
Canadian Journal of Animal Science
Volume 101Number 4December 2021
Pages: 788 - 792
Editor: Gregory Penner

History

Received: 22 October 2020
Accepted: 24 January 2021
Accepted manuscript online: 29 January 2021
Version of record online: 29 January 2021

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Key Words

  1. energy density
  2. folic acid
  3. growth performance
  4. white striping

Mots-clés

  1. densité d’énergie
  2. acide folique
  3. performance de croissance
  4. stries blanches

Authors

Affiliations

Deborah I. Adewole [email protected]
Department of Animal Science and Aquaculture, Dalhousie University Faculty of Agriculture, Truro, NS B2N 5E3, Canada.
Janice MacIsaac
Department of Animal Science and Aquaculture, Dalhousie University Faculty of Agriculture, Truro, NS B2N 5E3, Canada.
Chengbo Yang*
Department of Animal Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.

Notes

*
Author C. Yang served as an Associate Editor at the time of manuscript review and acceptance; peer review and editorial decisions regarding this manuscript were handled by Elijah Kiarie
Copyright remains with the author(s) or their institution(s). Permission for reuse (free in most cases) can be obtained from copyright.com.

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Cited by

1. Folic Acid: Sources, Chemistry, Absorption, Metabolism, Beneficial Effects on Poultry Performance and Health
2. Effect of dietary folic acid and energy density on immune response, gut morphology, and oxidative status in blood and breast muscle of broiler chickens

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