Transmission Routes and a New Freshwater Crustacean Host for Infectious Precocity Virus (IPV)

Table 2

The IPV infection rate of different infection modes in M. rosenbergii.

	Prawn number	IPV nested PCR testing
		First-step PCR positive number	Second-step PCR positive number	Infection rate (%)
Feeding control	30	0	0	0
Feeding group	30	30	30	100
Immersion control	30	0	0	0
Immersion group	30	20	30	100
Cohabitation control^a	30	0	0	0
Cohabitation group^a	30	15	30	100
Cohabitation control^b	30	0	0	0
Cohabitation group^b	30	7	30	100
Water-borne control	30	0	0	0
Water-borne group	30	5	30	100

^aCohabitation control: cohabitation group without the plastic net separated. ^bCohabitation control: cohabitation group with a plastic net separated.