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Effects of Reticuloendotheliosis Virus on the Viability and Reproductive Performance of Japanese Quail

T. Barbosa^*, G. Zavala^*,1, S. Cheng^*, T. Lourenço and P. Villegas^*

^* Poultry Diagnostic and Research Center, Department of Population Health, University of Georgia, Athens 30602; and Universidade Federal de Uberlandia, CP 593, Minas Gerais, Brazil

Correspondence: ¹ Corresponding author: gzavala{at}uga.edu.

The effects of reticuloendotheliosis virus (REV) infection were studied using an experimental model in Japanese quail during 2 consecutive generations. The REV used in this study (APC-566) was isolated from Attwater’s prairie chickens (Tympanuchus cupido attwateri). Tumors were induced by APC-566 as early as 6 wk of age. Mortality was significantly higher in groups of quail with a higher frequency of REV infection. Egg production, hatchability, and fertility rates decreased in infected quail as compared with uninfected control quail. The BW of infected quail were significantly reduced at 8 wk of age in the first generation of infected quail (breeders) and at 3 and 6 wk of age in the second generation (quail broilers) compared with uninfected quail.

Key Words: reticuloendotheliosis virus • Japanese quail • performance data