Table 3.

Cycle threshold (Ct) values, DNA viral copy numbers and SNAP test results in fecal samples from clinically affected shelter cats with a positive feline panleukopenia PCR test (Ct value ⩽26 or ⩾1.59 × 10⁶ DNA viral copies/g feces)

Sample number	Ct value	DNA viral copies/g feces	SNAP result
62	13.25	1.06 × 1010	P
35	14.08	5.99 × 109	WP
26	14.70	3.90 × 109	P
60	15.00	3.17 × 109	P
4	15.76	1.88 × 109	WP
33	16.05	1.54 × 109	N
36	16.62	1.04 × 109	WP
27	17.17	7.08 × 108	WP
94	17.38	6.13 × 108	WP
97	17.61	5.23 × 108	WP
38	18.69	2.48 × 108	N
13	19.53	1.39 × 108	N
84	19.79	1.16 × 108	N
100	20.10	9.36 × 107	WP
59	20.12	9.23 × 107	P
34	21.89	2.72 × 107	N
25	23.07	1.20 × 107	N
101	23.46	9.18 × 106	N
50	25.29	2.59 × 106	N
12	25.55	2.17 × 106	N

PCR = feline panleukopenia real-time PCR test; SNAP = IDEXX CPV SNAP Parvo Test; N = negative; P = positive; WP = weak positive