id	keyword
ajpf-3300	pig
ajpf-3300	profit
ajpf-3300	farmers
ajpf-3300	efficiency
ajpf-3300	study
ajpf-3300	smallholder
ajpf-3300	research
ajpf-3300	production
ajpf-3300	kenya
ajpf-3300	frontier
ajpf-3300	management
ajpf-3300	costs
ajpf-3300	journal
ajpf-3300	model