THE tune Jatuh Bangun, sung by dangdut singer Kristina, wafted from a small tape player. The song didn’t distract Muhammad Bata and his 20 or so students from their research work in the cowshed. Their attention was focused on producing fodder out of jerami, dried rice stalks, and feeding the cows with it to the accompaniment of the music.

Bata, lecturer at the Soedirman University Faculty of Animal Breeding in Purwokerto, graduated from German