I happened to be down at Reception at the Food Safety Authority today (the 24th of May) when I spotted a picture they had hanging on the wall.
The caption on the picture reads:
The first shipment of frozen meat despatched from NZ to Britain in the clipper ship Dunedin arrived in the Port of London on 24th May 1882.
Sorry about the reflections etc — it was a quick grab with my iPhone in a well-lit area, and on an awkward angle.
The success of this shipment of frozen meat set New Zealand up for a long time in the export trade:
The Dunedin (1876–82) was the first ship to complete a truly successful transport of refrigerated meat. In its capacity, it helped set the stage for New Zealand’s success as a major provider of agricultural exports, notwithstanding its extreme remoteness from most markets.
… “Directly the meat was placed on the market, its superiority over the Australian [frozen] meat struck us, and in fact the entire trade”.