The phrase "daily ration" refers to the specific amount or portion of something that is given or allowed for consumption on a daily basis. Full definition
Measure out in a big bowl your puppy's total daily ration of food and use that to begin your playtraining lesson. (meritpuppy.com)
Remember, that puppy's digestion tract is too tender for raw meat and solid foods, that's why you should gradually increase the portion of another targeted food in daily ration. (snowyswan.com)
You can also put some of your cat's daily ration into a food - dispensing toy. (bestfriends.org)