What's the difference between fother and provender?

Fother

Definition:

(n.) A wagonload; a load of any sort.
(n.) See Fodder, a unit of weight.
(v. t.) To stop (a leak in a ship at sea) by drawing under its bottom a thrummed sail, so that the pressure of the water may force it into the crack.

Example Sentences:

Definition:

(n.) Dry food for domestic animals, as hay, straw, corn, oats, or a mixture of ground grain; feed.
(n.) Food or provisions.

Example Sentences:

(1) With a view to form an experimental model of protein-malnutrition, mice are fed with two different commercial diets, the "nutrixan" and the "provende" which are included in different concentrations to a rice starch.
(2) Only the "provende" gives an workable model with three different growths which differ from the normal by a decrease which is proportional to the protein-deficiency.
(3) This notwithstanding, only 50% of the milk protein processed by the dairy industry are at present employed in human nutrition, the remainder is used as a provender.