Emergence of Enteric Viruses in Production Chickens Is a Concern for Avian Health

Table 3

Frequencies of individual and multiple enteric virus infections detected in intestinal samples.

Number of combinations viruses detected	IBV	ANV	CAstV	Rotavirus	ChPV	FAdV-1	Reovirus
One virus	45	22	14	10	5	14	1
Two viruses	49	28	16	31	13	7	4
Three viruses	17	25	22	4	10	4	11
Four viruses	8	7	6	3	5	2	5
Five viruses	1	1	1	0	1	0	1
Number of positive samples	120	83	59	48	34	27	22
% of positive samples for each virus (𝑛=280)	42.9	29.6	21.1	17.1	12.1	9.6	7.9

ANV: avian nephritis virus; CAstV: chicken astrovirus; ChPV: chicken parvovirus; IBV: infectious bronchitis virus; FAdV-1: fowl adenovirus group 1.