Effect of different levels of dietary sweet orange (Citrus sinensis) peel extract on humoral immune system responses in broiler chickens

This experiment was conducted to evaluate the effects of different levels of sweet orange (Citrus sinensis) peel extract (SOPE) on humoral immune system responses in broiler chickens. Three hundred 1‐day broilers (Ross‐308) were randomly allocated to treatments varying in supplemental SOPE added in...

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Bibliographic Details
Published in:Animal science journal 2015-01, Vol.86 (1), p.105-110
Main Authors: Pourhossein, Zohreh, Qotbi, Ali Ahmad Alaw, Seidavi, Alireza, Laudadio, Vito, Centoducati, Gerardo, Tufarelli, Vincenzo
Format: Article
Language:English
Subjects:
Animal Feed
Animals
antibodies
avian influenza
broiler
broiler chickens
broiler feeding
bursa of Fabricius
Chickens - immunology
Citrus sinensis
Citrus sinensis - chemistry
Dietary Supplements
disease resistance
dose response
Dose-Response Relationship, Drug
drinking water
erythrocytes
Erythrocytes - immunology
immune response
Immune system
Immunity, Humoral - drug effects
Immunoglobulin G
Immunoglobulin M
Infectious bronchitis virus
infectious bursal disease
Newcastle disease virus
oranges
peel extract
Plant Extracts - administration & dosage
Plant Extracts - pharmacology
Poultry
Sheep
spleen
Stimulation, Chemical
Vaccines
Viral Vaccines - immunology
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Summary:This experiment was conducted to evaluate the effects of different levels of sweet orange (Citrus sinensis) peel extract (SOPE) on humoral immune system responses in broiler chickens. Three hundred 1‐day broilers (Ross‐308) were randomly allocated to treatments varying in supplemental SOPE added in the drinking water. The experimental groups consisted of three treatments fed for 42 days as follows: a control treatment without feed extract, a treatment containing 1000 ppm of SOPE and a treatment containing 1250 ppm of SOPE. All treatments were isocaloric and isonitrogenous. Broilers were vaccinated with Newcastle disease virus (NDV), avian influenza (AI), infectious bursal disease (IBD) and infectious bronchitis virus (IBV) vaccines. Antibody titer response to sheep red blood cells (SRBC) was higher in the group fed 1250 ppm of SOPE (P 
ISSN:1344-3941
1740-0929
DOI:10.1111/asj.12250