There is also no standard way in which feeding guidelines are presented on the packaging. For example, dry foods may describe serving amounts by weight (grams per serving), or volume (cup), or both. Wet foods generally describe serving amounts by volume i.e. as fraction and/or multiple of a can, pouch or tray. | There is also no standard way in which feeding guidelines are presented on the packaging. For example, dry foods may describe serving amounts by weight (grams per serving), or volume (cup), or both. Wet foods generally describe serving amounts by volume i.e. as fraction and/or multiple of a can, pouch or tray. |