Working with PLF data and systems on a daily basis, I see one pattern that repeats itself in almost every herd: Most farms optimize the ration, part of which the cows simply can’t eat anyway. Technology already measures almost everything activity, intake, health, production. But there is one area that still determines the economic outcome, and it is completely ignored.
The feed table. Because a cow doesn’t produce milk from data in an app. She produces it from what she actually eats. The feed table isn’t just an “add-on to the system.” It’s the place where the entire system wins or loses.
1. Production Math – the DMI → Milk Relationship. The basic physiological relationship is brutally simple: 1 kg less dry matter intake (DMI) = approximately 1.5–2 kg less milk. Example for a herd of 300 cows:
1 kg/cow/day decrease in DMI
loss: 525 kg of milk per day
value: ~$280 per day
annually: over $100,000
This is not a feeding problem. It is a problem of availability and feed table management.
2. The most common diagnostic error: 99% of farms say, “We need to improve the ration.” The reality is different: The problem isn’t the ration’s composition, but access to it. The most common limitations:
- insufficient space at the feed table (less than 75 cm/cow)
- feed pushed 30–40 cm away from the edge
- raking only 1–2 times a day
The result? Part of the herd never reaches its intake potential.
3. Herd hierarchy – the invisible killer of production.
. A strong dominance structure operates within the herd. Dominant cows eat first and for the longest. Subdominant cows eat later or not at all. With 60–70 cm per cow, 20–30% of the herd is systematically undernourished. These are not “weaker animals.” This is the result of a poorly designed system.
4. Feed pushed 30–40 cm from the edge of the table ceases to exist for the cow. When raked 1–2 times a day, feed is physically inaccessible for most of the day. Result:
a decrease in the number of meals from 9–14 to 4–6
disruption of rumen function
lower DMI and unstable production
A feed raking robot is not a convenience, but a production tool. A milking robot processes milk. A feed raking robot enables its production. Main effects:
24/7 access to feed
maintenance of a natural feeding rhythm (9–14 meals)
reduction of social stress
stable Feed Bunk Score ≈ 2
The investment starts paying off with as few as 100 cows. With 150–200 cows = very high efficiency. With 300+ cows = no robot = systemic loss. . Hidden scale of losses. With manual raking 1–2 times a day, you lose 15–25% of effective intake. In practice, this means tens of thousands of dollars a year that you don’t even see in the report. “If you have 150–200 cows and still do this manually, you’re losing tens of thousands of dollars a year. That’s it. You just don’t count it.”
7. B Boundary conditions – when the system really worksB . To achieve the full effect of +2–4 kg of milk per cow, you need:
a minimum of 75 cm per cow (optimally 90 cm)
Feed Bunk Score ≈ 2
TMR moisture content 45–50%
feed available immediately after milking
no overcrowding in groups
Without these parameters, ROI will be significantly lower.
8. Daily feed table audit (15 minutes). The best farms don’t start the day by analyzing data in the app. They start by observing the feed table. Check daily:
feed availability along the entire length of the table
cow behavior (conflicts, waiting)
Feed Bunk Score
space for the weakest animals
Milk production doesn’t start in the feeding program. It starts at the feed bunk. A cow produces exactly as much milk as she eats. And she will only eat as much as is actually available to her. The cheapest liters of milk aren’t the ones you produce more of. It’s the ones you stop losing. Most dairy farms don’t lack data. They lack decisions. And the feed table is where that decision becomes visible. “Do you want to know exactly how much you’re losing in your herd?
Łukasz, CEO, Optimal Dairy™