How cows eat and ruminate is just as important as the nutritional composition of the feed in front of them. Make the most of every minute at the bunk by understanding dairy cow behavior and incorporating that into daily herd management.

Part of a nutritionist’s job is to give recommendations for the target level of refusals needed for maximum profitability. A typical goal is 2 to 5 percent, but this varies a lot from farm to farm, with a few farms even having a goal of zero refusals.

The quality of TMR may vary between days (in relation to inputs and mixing), within days (due to sorting by cows or environmental exposure) and along the feedbunk (due to improper mixing or uneven feed distribution and usage). Recent research at UBC has shown that this variability can have profound effects on dairy cattle feeding behavior.