A fire which broke out last night at a wharf shed in South Port, Bluff is now contained.
Emergency services were called to the scene around 11:30 last night, along with specialist vehicles, including a command unit and executives.
The 7000sqm shed is believed to contain palm kernal extract (PKE), a supplementary feed option for New Zealand cows.
The feed is also considered "extremely hazardous" by some local farmers, who would like to see it banned, reports Stuff.
South Cantebury farmer Jeremy Talbot, who ardently supports the ban of PKE, said "it's coated with hexane as part of its fumigation for larvae, which is worse than nail polish remover;" following an incident where spores were blown through the neighbouring streets of Timaru, while unloading a 10,500 tonne shipment.
Fire communications told 1 NEWS the fire is not being treated as suspicious at this stage.
Two appliances have remained at the scene to monitor hotspots.