Cow Days per Acre

Although, i’m still tracking grazing on my grazing chart, Jaime says i won’t need to under the total grazing. i bet i do, though, at least for a while.

For fun, i wanted to check the cow days per acre grazing with the total grazing situation on a tiny portion of my farm. This small section is 3.6 acres and there are 75 animal units grazing. It had last been grazed for 2 days (on a much larger scale since this small section is part of a 30 acre paddock) from 6 sep to 8 sep then allowed to grow whatever until the 18th of december when i turned the cows in on it. It didn’t grow much because it has been pretty dry since mid-August.

In 9 days it is completely consumed but not grubbed and the stock is in excellent condition despite temps dropping to single digits (F) the last 2 nights of the grazing period. This photo would reflect (imho) about a 90% utilization reflecting a surprising estimated 5500 lbs per acre yield. Had the cows been given full access to 3.6 acres at once, there would be no way of attaining 90% utilization due to fouling, manuring, and urinating. It was very thin up close, but from halfway to the far end is a natural spring area so it grows a LOT of forage since it stays kind of wet nearly all year.

Centered in this image is outlined in narrow red line a box which is the 3.6 acres the cows grazed for 9 days under total grazing method resulting in 188 cows days per acre. The cows do have full access to a 20% protein tub and salt/kelp.

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