if i feed 3 cups of orijen at 480 calories a cup versus 5 cups of a lower calorie food with a likely lower meat content (say, 350 calories/cup) to maintain an ideal weight, the dog eating the lower calorie food has taken in about 300 more calories/day than the dog eating the higher calorie food. worse yet, because more cups were needed with the lower calorie food, more fat was consumed as well.
additionally, 400 calories of one food may be more well utilized by a dogs digestive process (ie less waste produced) than 400 calories of another food. why would this occur? the source of the calores: lots of fillers/grains vs lots of meat, which we know our dogs were designed to digest effectively.
my experience has been that the foods that are well utilized are the higher calorie foods, and i would owe much of that to them usually having a higher meat content.
so, it is my humble opinion that many of the lower calorie foods will not reduce the overall daily caloric intake and may in fact cause a greater intake of things (such as fat) one would want to avoid in a large breed pup.
Kimba (gsd) 5/9/07
Saby the mutt~1/15/01
Frisco (gsd) 6/21/02
RIP-canines-Buddy, Roxy, Kujo, Kato, Pierre
felines-Chanel, Panther, TJ
Last edited by roxy84; 02-16-2010 at 08:34 PM.