--- title: Free Cow Traffic in Automated Milking Systems description: Encourage calm, automated milking while supporting cow comfort with free cow traffic throughout the barn. image: https://www.lelylife.com/hubfs/Archived%20Media/2-column%20LP%20515px/A4_Free_Cow_Traffic_515px.jpg --- - [Home](https://www.lelylife.com/) - [About](https://info.lely.com/about) - [Contact](https://www.lely.com/us/about-lely/contact/) - [Coffee Talks](https://coffeetalks.lelylife.com) - [Lely.com](https://www.lelyna.com) [cow-comfort](https://www.lelylife.com/topic/cow-comfort), [free-cow-traffic](https://www.lelylife.com/topic/free-cow-traffic), [free-cow-traffic-2](https://www.lelylife.com/topic/free-cow-traffic-2), [lely-astronaut](https://www.lelylife.com/topic/lely-astronaut), [robotic-milking](https://www.lelylife.com/topic/robotic-milking), [automated-milking](https://www.lelylife.com/topic/automated-milking), [lely-astronaut-a5](https://www.lelylife.com/topic/lely-astronaut-a5), [milking-robot](https://www.lelylife.com/topic/milking-robot) [Listen Now](https://www.lelylife.com/free-cow-traffic-in-automated-milking-systems) # Free Cow Traffic in Automated Milking Systems Posted by [Team Lely](https://www.lelylife.com/author/team-lely) on Oct 09, 2026 ![Team Lely](https://www.lelylife.com/hubfs/PersonaVideo/logo2.png) - [Tweet](https://twitter.com/share) Support natural cow flow throughout the barn and encourage voluntary robot visits with [free cow traffic](https://www.lelyna.com/solutions/milking/astronaut/?hsLang=en-us#features). [![Cows in Lely Astronaut A5 robotic milking system](https://www.lelylife.com/hs-fs/hubfs/FreeCowTraffic_468x314.jpg?width=600&height=400&name=FreeCowTraffic_468x314.jpg)](https://www.lelyna.com/solutions/milking/astronaut/?hsLang=en-us)The introduction of robotic milking systems nearly 30 years ago raised a key question: *When should cows be milked?* Today, data generated by these systems continues to deepen our understanding of cow behavior and guide decisions that improve both productivity and animal welfare. At the same time, consumers increasingly expect dairy production to prioritize the well-being of cows and farm employees. Automated milking offers a clear advantage by reducing labor demands associated with fixed milking schedules. Advances in teat‑cup attachment on the [Lely Astronaut A5 robotic milking systems](https://www.lelyna.com/solutions/milking/astronaut/?hsLang=en-us#features) have made the process accurate, consistent and dependable. Efficient milk production depends on minimizing disruptions to a cow’s daily routine. Research shows that high‑producing cows require substantial time for eating, drinking and resting, leaving fewer than four hours per day for activities such as milking or idle standing. High stocking densities can further elevate stress, particularly for subordinate cows. As a result, free‑cow‑traffic systems are often preferred in automated barns. Unlike guided flow type barns, [free-flow barns](https://info.lely.com/en-us/barn-layouts?hsLang=en-us) allow cows to freely access all areas of the barn at any time. Each cow can choose when she lies down, when she eats, drinks and finds her way to the robot for milking. In a free-flow system, cows can visit the robot whenever they choose. If a cow does not have permission to be milked, she is simply directed out of the robot without being milked. This is commonly called a refusal. Guided- or forced-flow barns, on the other hand, use separation or preselection gates to determine where a cow should go based on whether she has permission to be milked. The gate directs her to the appropriate area. For example, in a feed-first design, a cow may be directed to the feed area after passing through the preselection gate. Her only route back to the lying area is through the robot. In a milk-first design, the cow is directed to a holding or segregation area near the robot. Her only way out of that area is through the robot. The key difference is freedom of movement: free-flow systems allow cows to choose where to go, while guided-flow systems use gates to control and direct cow movement. However, free‑flow systems require learning – especially for first‑lactation cows. This may result in the need for occasional fetching, which can serve as a valuable performance indicator rather than a drawback. Elevated-fetch numbers should prompt evaluation of: - **Available free time:** Low free time, particularly below 8%, can limit robot access for lower‑ranking cows. At all times in automated milking systems, close evaluation of which cows are in need of milking is critical**.** When free time gets low, they become even more important. We often see significant opportunities here to gain free time by milking late lactation cows less, allowing the capacity of the udder to help allow similar production per cow with significantly less milkings per day, freeing up robot time for other cows in need of milking. - **Robot attraction:** Adequate, palatable concentrate feed encourages voluntary visits. Balancing the ration at the feed fenceat a level below average production allows the robot to precisely add the required additional energy while the milking takes place. This allows a targeted nutrition strategy that has multiple benefits. Not only do the cows have encouragement to visit the robot on their own, lowering or even completely removing the stress of confined spaces prior to milking, it also allows the targeted nutrition to reach only the cows that need it at the level that individual cow needs at this time in her lactation. - **Pen disruptions:** Tasks such as bedding, scraping or handling should be managed to avoid interrupting cow flow. ![Free Cow Traffic 10 Benefits Lely Blog Oct. 2026](https://www.lelylife.com/hs-fs/hubfs/Free%20Cow%20Traffic%20(1).jpg?width=1200&height=442&name=Free%20Cow%20Traffic%20(1).jpg) Strategies around cow touches can help elevate the natural barn rhythms to even higher levels. Developing pen actions, or plays, that reduce time in the pen while still delivering the actions needed to support high production dairy cattle requires careful planning designed specifically around barn layout and labor. Careful planning and reviewing/revising leads to continuous improvements that yield higher and higher efficiencies for both cows and people in barns with automated milking systems. Research from the 2016 *Journal of Dairy Science* publication authored by Marlene Tremblay, Justin Hess, Brock Christenson, Kolby McIntyre, Ben Smink, Arjen van der Kamp, Lisanne de Jong, and Dorte Dopfer showed a significant advantage in milk production on a per cow basis when free cow traffic was compared to a forced or guided flow system. When comparing free and guided traffic systems this production difference indicates that free‑flow designs better support cows in reaching their individual production potential. Continuous data collected at each milking allows the free flow system to reveal how effectively the environment meets each cow’s needs. These insights help producers identify strengths and areas for improvement. Ultimately, enabling every cow to reach her full potential is a shared goal for both producers and consumers. Data‑driven free‑flow systems play a key role in achieving this goal. Take a look at [five common milking robot configurations](https://info.lely.com/en-us/barn-layouts?hsLang=en-us) that support free cow traffic in the brochure below. [![Barn Layouts for milking robots](https://www.lelylife.com/hs-fs/hubfs/Milking%20Robot%20Barn%20Layout%20General%20Brochure-EN.png?width=250&height=323&name=Milking%20Robot%20Barn%20Layout%20General%20Brochure-EN.png)](https://info.lely.com/en-us/barn-layouts?hsLang=en-us) Tags: [Cow Comfort](https://www.lelylife.com/topic/cow-comfort), [Free Cow Traffic](https://www.lelylife.com/topic/free-cow-traffic), [free cow traffic](https://www.lelylife.com/topic/free-cow-traffic-2), [Lely Astronaut](https://www.lelylife.com/topic/lely-astronaut), [Robotic Milking](https://www.lelylife.com/topic/robotic-milking), [Automated Milking](https://www.lelylife.com/topic/automated-milking), [Lely Astronaut A5](https://www.lelylife.com/topic/lely-astronaut-a5), [milking robot](https://www.lelylife.com/topic/milking-robot) Submit your email to subscribe to Lely North America Blog Notifications! 1948 Lely Parkway Pella, Iowa 50219 641-621-2700 [![Share on facebook](https://www.lelylife.com/(missing%20asset%20'facebook-color.png'))](https://www.facebook.com/LelyNorthAmerica/) [![Share on twitter](https://www.lelylife.com/(missing%20asset%20'twitter-color.png'))](https://twitter.com/dairyrobot) [![Share on instagram](https://www.lelylife.com/(missing%20asset%20'instagram-color.png'))](https://www.instagram.com/dairyrobot) [![Share on youtube](https://www.lelylife.com/(missing%20asset%20'youtube-color.png'))](https://www.youtube.com/user/LelyDairyLife) [![Share on bloglink](https://www.lelylife.com/(missing%20asset%20'bloglink-color.png'))](https://www.lelylife.com)