Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of the neutralisation titres in the pre‐weaning piglets per group in Farm 1 (upper) and Farm 2 (lower). For Farm 1, batches 1–4 are shown (no pre‐mating vaccination in primiparous sows) and for Farm 2 batches 1 and 2. Whiskers and boxes show minimum, lower quartile (25%), median, upper quartile (75%) and maximum. Titres are shown as log2 values
