CowManager: a unique and complete cow monitoring system

Thousands of dairymen across 30 different countries rely on CowManager’s easy-to-install and user-friendly cow monitoring system to help manage their herds.

With the world’s population growing and prosperity increasing, sustainable milk production is more important than ever. At the same time, rules and regulations get stricter while raw materials, labour and energy become more expensive. With all this in mind, efficiency, sustainability and productivity is clearly the key to success for all dairy farmers.

To meet the dairymen’s needs, CowManager has revolutionised the world of cow monitoring systems with ground-breaking innovations and has invented active ear sensor technology. The product is based on years of knowledge, research and test farms. We are continuously in development to serve modern dairymen that need innovative solutions and insights to beat the challenges they are faced with.

CowManager’s system monitors each cow 24/7 – it is an extra eye on the herd. The tool shows real-time alerts via easy to read and coloured hourly behaviour graphs on a smartphone or desktop. With impressive accuracy, CowManager monitors health, fertility, nutrition and location.


Unique to CowManager, the sensor monitors both the behaviour and ear temperature of each individual cow. When a cow is either not eating or is ruminating, an alert will be given one to two days earlier before the cow becomes clinically sick. In-depth insights in easy to understand graphs, offer great support in managing a herd. The system also provides ongoing insights on the recovery of sick cows, enabling farmers to intervene faster. This leads to reduced medical expenses and labour, fewer cow losses and higher milk production.

“CowManager is very important because it gives us such early warning,” says Stephen Morse, from Capel Farms, Carmarthenshire (UK). “If a cow is ruminating less and has an increase in temperature, I would immediately go and check her and may well be able to intervene.” For example, when cow number 2640 flagged up on his system, Morse intervened early, treated her and by the same evening her temperature was back down to normal.


To be able to provide dairymen with the most accurate information about a cow’s fertility status, CowManager has created a smart algorithm. The system provides reliable data about heat intensity and heat stage. By combining these alerts with cow data from various management systems that are available worldwide, CowManager’s cow monitoring system provides valuable insights into the cycles of each individual cow, and answers questions such as: Is she cycling or cystic? What is her heat interval? What is the best moment to inseminate? Is she still pregnant or has she aborted? Is her uterus clean after calving?

All this data can be downloaded in report format, which are easy to use for reproductive management and vet checks. A quick overview of all cow data enables dairymen to make faster and more balanced decisions. It will also support the process of selecting cows for insemination, minimise pregnancy checks and stress, and save management time.


Keeping cows eating and ruminating is key to maintaining their health and maximising milk production. Any decline in this area may be an early indicator of health issues with possible extra costs. CowManager monitors the number of minutes each cow spends eating and ruminating. With this insight into the eating behaviour of individual cows, management groups and the entire herd, a dairyman will know exactly how to feed his herd. CowManager is also an excellent tool for monitoring cows’ eating behaviour in the transition period.

Find my Cow

Two years ago, CowManager introduced ‘Find my Cow’, a tool that uses a locator in order to make it easier on dairies with 10 to 10,000+ cows to find an individual cow inside, in the barn, and outside on pasture. This feature is fully integrated with CowManager’s modules fertility, health and nutrition. After receiving alerts, it will be a time saving task to find cows in heat, sick cows, cull cows and cows that are in the wrong pens. Ultimately, it allows dairymen to spend valuable time elsewhere.

User friendly

CowManager is a complete plug-and-play system that is compatible with various farm management systems. The data transmitted by the sensors is collected by (solar) routers which can be installed either inside or outside. Installation is easy as it is a wireless system and therefore, no cables are needed. Alerts and easy to read coloured graphs are shown in the mobile app or in the web application. Even veterinarians and herdsman can have visibility and control over their herd’s performance with the Multiview functionality. Moreover, the system is always equipped with the latest developments through free over-the-air-programming updates to both hardware and software.

Koen van Meurs, Head of Research & Development at CowManager, explains: “CowManager is continuously developing. We listen to the wishes of the modern dairymen who need innovative solutions and insights to overcome the challenges they are faced with. In our updates we deploy as many requests as possible.”


CowManager is a family owned business and is located on a dairy farm in Harmelen, Holland. Since 2012, the system has been on the market and years of research and development has allowed it to successfully grow into a globally proven system. Currently more than 50 employees, most of them with an agricultural background, work on the development, sales and support of the system.

For more information, visit or follow CowManager on Twitter, Facebook, LinkedIn and YouTube.

CowManager B.V.
+31 (0) 348 443840

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