id	keyword
ajpf-3302	pig
ajpf-3302	farmers
ajpf-3302	labor
ajpf-3302	innovation
ajpf-3302	family
ajpf-3302	production
ajpf-3302	smallholder
ajpf-3302	behavior
ajpf-3302	new
ajpf-3302	pigs
ajpf-3302	study