Table 1.

Enrichment of nanobodies against PCV2-Cap protein from the phages during three rounds panning

Round of panning	Input phage (PFU/well)	Output phage/P (PFU/well)	PBS output/N (PFU/well)	Recovery rate/(P/Input)	Enrichment(P/N)
1st	5 × 1010	3.9 × 105	7.2 × 104	7.8 × 10− 6	5.4
2nd	5 × 1010	5.5 × 105	7 × 104	1.1 × 10− 5	7.9
3rd	5 × 1010	3 × 106	2 × 103	6 × 10− 5	1.5 × 103