n.

the food allowance for one day (especially for service personnel)

"the rations should be nutritionally balanced"

a fixed portion that is allotted (especially in times of scarcity)

Fat in lactation rations: review.
Fat in lactation rations : a review
Fat in Lactation Rations  and  : Review
High fat rations dairy cows, tallow and hydrolyzed blended fat at two intakes.
The effects of supplemental rumen-protected fat in feedlot rations
Nitrate leaching in forest ecosystems is related to forest floor C/N rations
Effect of fatty acids or calcium soaps on rumen and total nutrient digestibility of dairy rations.
Chronic Effects of Fusarium Mycotoxins in Rations with or without Increased Concentrate Proportion on the Insulin Sensitivity in Lac...
L'influence des considérations juridiques, sociales et économiques sur le droit pénal : un exemple de l'interve...
Evaluation of ruminal, intestinal and total digestion of the organic matter, crude protein in bovine rations neutral detergent fiber