Thanks for the comments everyone!
We're going to run a series of experiments over the next couple days with our boxes and heat packs, but our main concern is actually over heating the boxes. The temperature at the origin of the package (in our case, relatively warm Victoria) will play a big part in the temperature fluctuations inside the packaging.
I haven't had a lot of experience shipping livestock...but I have been on the receiving end of hundreds of livestock shipments. Sometimes they are shockingly cold...and often turn out fantastically. Recently I had a shipment of fish that arrived nice and warm (with more heat packs than usual), close to tank temp, and experienced especially high DOAs. My suspicion is that heat packs can cause a shipment to peak at dangerously high temperatures without careful consideration.
We want to provide the highest possible quality of livestock and care, and we will continue to refine our methods until we achieve perfection. Of course all feedback is helpful and appreciated!
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