Unsold grapes and leftover solids from wine-making have recently been used as livestock feed and to create other foodstuffs in central Japan amid efforts to reduce food waste. Reusing grapes and wine pomace from Yamanashi Prefecture benefits farms struggling with the soaring cost of livestock feed in recent years and also ensures grape growers cut costs disposing of waste produce. Kobayashi Cattle Farm in Kai in the prefecture has been selling “Koshu wine beef,” or beef raised with feed mixed with pomace. They have also been turning cattle manure into compost for grape farms. According to the …