id	keyword
ajpf-669	par-2
ajpf-669	diarrhea
ajpf-669	mucosa
ajpf-669	il-6
ajpf-669	cells
ajpf-669	weaning
ajpf-669	il-8
ajpf-669	piglets
ajpf-669	expression
ajpf-669	tract
ajpf-669	production
ajpf-669	activation
ajpf-669	coli