Like lots of folks with critters, when late summer / early fall arrives I start trying to figure out how much hay I’ll need for the upcoming fall / winter / spring.  There are a few factors, including the number of sheep, their size, how long your grazing season is, pregnancy, how much is left from last year, and more.

Naturally, I made a model:

I’ve open sourced the spreadsheet I use in case it helps someone else.  Just remember to update the assumptions for your own flock’s needs.

https://github.com/brentonc/sheep-hay-calculator

-Brenton