TABLE 1.

Efficacy of panning to PRRSV N protein^a

Buffer or ratio	Titration value for round
	First	Second	Third	Fourth
Input	1.5 × 1011	1.5 × 1011	1.5 × 1011	1.5 × 1011
Output	3.1 × 105	4.6 × 106	3.5 × 107	6.8 × 109
Wash	4.5 × 107	4.6 × 106	6.5 × 106	7.1 × 105
Wash/output	1.4 × 102	1	0.1	0.9 × 10−4
Output/input	2 × 10−6	4 × 10−5	3.3 × 10−4	4.6 × 10−2

^aThe titration values for phages in input buffer (Input), elution buffer (Output), and last washing buffer (Wash) and ratios of Wash/Output and Output/Input values in each round of panning are provided.