id	keyword
afs-72779	milk
afs-72779	linseed
afs-72779	cake
afs-72779	protein
afs-72779	content
afs-72779	production
afs-72779	rumen
afs-72779	science
afs-72779	acid
afs-72779	silage
afs-72779	cows
afs-72779	rapeseed
afs-72779	composition
afs-72779	diet