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EFFECTS OF ARGININE AND VITAMIN E SUPPLEMENTED DIETS ON THE IMMUNOLOGICAL RESPONSE OF BROILERS CHICKENS

By David Jesús Chan Diaz, Arturo Pro Martínez, Ciro Abel Ruíz Feria, Juan Manuel Cuca García, Carlos Narciso Gaytan, Martha Elva Ramírez Guzmán, Jaime Gallegos Sánchez, Eliseo Sosa Montes and José del Carmen Rodríguez-Castillo

Abstract

In order to evaluate the effect of arginine and vitamin E supplementation in broiler chicken diets on the immune response during post-vaccine stress, a trial was conducted with 700 chicks (1 day-old) which were distributed into 28 floor-pens and fed one of four dietary treatments (with 7 replicates) randomly assigned: T1 = control diet (1.31 % of arginine and 10 IU of vitamin E/kg of feed); T2 = T1 + 0.3 % of arginine; T3 = T1 + 70 IU of vitamin E; T4 = T1 + 0.3 % of arginine + 70 IU of vitamin E. At 12 days of age, all birds were vaccinated against Newcastle disease virus (ND), infectious bronchitis, avian influenza (AI) and fowl pox. The traits evaluated were: post-vaccine reaction at days 14, 16, 18, 21 and 23; antibody titers against ND and AI, and relative lymphoid organs weight at days 11, 19 and 26; and the performance were recorded weekly. Chickens fed T2, T4 (at day 16), and T3 (at day 21) had lesser (p≤0.05) post-vaccine reaction than birds fed T1. The antibody titers against ND (at day 11) was higher (p≤0.05) in chickens fed T4 (3.1), T3 (2.7) and T2 (2.7) compared to T1 (1.6); meanwhile, for AI titers no differences were found. There were no differences, neither for immune organs weight, nor for performance. In conclusion, arginine and vitamin E supplementation in broiler chicken diets reduced the post-vaccine stress and improved the immune response without affecting the performance

Topics: Chicken, immunological response, post-vaccine reaction, vitamin E, arginine, Agriculture, S, Agriculture (General), S1-972
Publisher: Universidad Autónoma de Yucatán
Year: 2012
OAI identifier: oai:doaj.org/article:9027cf8368004d1ba8d483411b22678c
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