Long-term antibody production and viremia in American mink (Neovison vison) challenged with Aleutian mink disease virus

Table 1 Least-squares means ± standard errors of the tolerant groups, inoculation dates, sex and disposal methods for the incidence of viremia over time, terminal viremia and seropositive mink over time

Trait	Viremia over time		Terminal viremia^¥		Seropositive over time
Trait	Number	LS Mean ± SE^§	Number	LS Mean ± SE^§	Number	LS Mean ± SE^§
Tolerant group		156.7 (< 0.001)^£		25.7 (< 0.001)^£		16.7 (0.002) ^£
TG0	4389	0.393 ± 0.018^a	463	0.169 ± 0.034^a	4406	0.873 ± 0.007^a
TG25	68	0.386 ± 0.117^ab	11	0.287 ± 0.144^a	68	0.908 ± 0.014^a
TG50	503	0.267 ± 0.034^b	71	0.122 ± 0.042^ab	503	0.842 ± 0.023^ab
TG75	192	0.170 ± 0.031^b	29	0.069 ± 0.044^b	192	0.794 ± 0.044^b
TG100	5705	0.189 ± 0.010^b	643	0.069 ± 0.015^b	5721	0.854 ± 0.008^ab
Inoculation date		146.9 (< 0.001)^£		17.7 (0.003)^£		113.3 (< 0.001) ^£
10/2010	3255	0.256 ± 0.023^a	254	0.229 ± 0.049^a	3271	0.835 ± 0.012^a
12/2010	834	0.341 ± 0.032^b	61	0.177 ± 0.067^ab	846	0.862 ± 0.013^a
09/2011	2227	0.215 ± 0.023^a	253	0.097 ± 0.026^b	2227	0.904 ± 0.010^b
12/2011	368	0.201 ± 0.042^a	30	0.059 ± 0.068^b	370	0.921 ± 0.022^b
09/2012	2603	0.423 ± 0.029^c	353	0.113 ± 0.020^ab	2604	0.832 ± 0.014^a
09/2013	1570	0.228 ± 0.022^a	266	0.142 ± 0.029^ab	1572	0.744 ± 0.018^c
Sex		0.05 (0.82)^£		2.4 (0.13)^£		0.01 (0.96) ^£
Female	6892	0.276 ± 0.027	661	0.165 ± 0.044	6915	0.858 ± 0.011
Male	3965	0.277 ± 0.037	556	0.095 ± 0.033	3975	0.859 ± 0.013
Disposal method		26.1 (< 0.001)^£		–		27.3 (< 0.001) ^£
Died	2493	0.305 ± 0.026^a	–	–	2519	0.832 ± 0.015^a
Pelted	8364	0.240 ± 0.021^b	–	–	8771	0.882 ± 0.009^b

ISSN: 1746-6148