id	keyword
fens-966	milk
fens-966	farm
fens-966	feed
fens-966	chemical
fens-966	composition
fens-966	animal
fens-966	food
fens-966	alfalfa
fens-966	cows
fens-966	chemical composition
fens-966	fat
fens-966	dairy
fens-966	quality
fens-966	protein
fens-966	animal feed