Cow Rumen pH and Ration Balance

Feed hay and grain to a dairy cow and watch fermentation, VFA, saliva buffering and pH in a cutaway rumen. Drag a feed onto the trough (or tap it).

Presets

Feeding

Amount per drop

Drag a feed card onto the trough in the 3D view, or tap a card to add it. Tap the trough to add the selected feed.

Speed

Live readouts

Live graphs

Experiment: how much forage is enough?

Question: for this feed pair, feeding frequency and buffer, which forage share gives the most milk without more than 3 h per day below pH 5.6? Each ration runs 6 simulated days headless (about 1 s).

Press Run sweep.

Self-checks (computed in your browser)

The science