cow-day

cow-day

for one cow for one day. Used as a measure of pasture, the amount required to fully feed a cow for peak lactation for one day (approximately 30 lb dry matter of grass).
References in periodicals archive ?
Supplies less than 130 gallons per cow-day and salts greater than 1,500 ppm total are considered unacceptable.
Monitoring to see how many cow-days you get will let you know If you're moving overall production forward or backward; then, adjust your management accordingly.