id	keyword
ajpf-677	bifidobacterium
ajpf-677	starch
ajpf-677	bacteria
ajpf-677	pcr
ajpf-677	amylose
ajpf-677	et al
ajpf-677	piglets
ajpf-677	dna
ajpf-677	tract
ajpf-677	time
ajpf-677	table
ajpf-677	primers
ajpf-677	amylopectin
ajpf-677	strains