Mean (± SD) ambient temperatures experienced by different categories of pup groups in the chambers (G6 or G2 pups, non-insulated and insulated) as a function of the cold challenge in the experimental room.

<p>Mean (± SD) ambient temperatures experienced by different categories of pup groups in the chambers (G6 or G2 pups, non-insulated and insulated) as a function of the cold challenge in the experimental room.