Updated: 4 days ago
A feed mixer is an essential piece of agricultural equipment designed to blend different feed ingredients—including roughage, concentrates, and other nutritional additives—into a uniform and balanced ration.
Feed mixers can generally be classified according to three main criteria:
1. Mixing system: Feed mixers are primarily categorized as vertical auger mixers or horizontal auger mixers, depending on the configuration and operating principle of the mixing system.
2. Mobility: Depending on how they are operated and transported, feed mixers can be classified as trailed, self-propelled, or stationary models.
3. Loading system: Feed mixers can also be divided into self-loading and externally loaded models, depending on how feed ingredients are introduced into the mixing chamber.
Selecting the correct mixer capacity and mixing system can significantly reduce feed losses while improving ration consistency and overall livestock production efficiency. A properly matched feed mixer also helps ensure that available feed ingredients are utilized more effectively across daily feeding operations.
In this article, prepared by our Research & Development team using up-to-date technical data, we examine the main types of feed mixers, the key criteria to consider when selecting a machine, and the operational advantages offered by the Çelikel Brassus series.
What Is a Feed Mixer?
A feed mixer, a familiar piece of equipment for livestock farmers and animal production operations, can be defined as a machine designed to ensure that a properly formulated, homogeneous ration of consistent quality is delivered to the animals every day.
Uniform mixing of feed ingredients and supplements—including corn silage, alfalfa, straw, hay, concentrates, agro-industrial by-products, vitamins, and minerals—has a direct impact on animal health, feed utilization, and overall production efficiency.
This feeding approach is known as a Total Mixed Ration (TMR). Its primary objective is to combine all ration ingredients into a uniform mixture so that animals receive the intended balance of nutrients in every mouthful.
As global demand for meat and milk continues to increase, livestock producers are under growing pressure to improve productivity while using available resources more efficiently. Traditional or manual mixing methods, as well as feeding ration components separately, are becoming increasingly inadequate for the consistency, efficiency, and scalability required in modern livestock production.
Compared with conventional feed preparation methods, feed mixers provide several key operational and nutritional advantages:
1. Reduced feed sorting: By distributing ingredients uniformly throughout the ration, a feed mixer helps prevent animals from selectively consuming individual components. This supports a more consistent intake of the intended forage-to-concentrate ratio in every mouthful.
2. Lower feed losses: Compared with manual or conventional mixing methods, mechanized feed mixing can help reduce feed waste and improve the efficiency of daily feeding operations.
3. Improved ration consistency: A homogeneous mixture helps maintain greater consistency in ration composition and quality, supporting more controlled and repeatable feeding from one batch to the next.
4. Greater operational efficiency: Mechanized mixing and feed preparation can reduce the labor, time, and fuel requirements associated with preparing and distributing livestock rations.
Çelikel Agricultural Machinery / Feed Mixers
What Are the Different Types of Feed Mixers?
There are two primary feed mixing systems commonly available on the market:
Vertical Auger Feed Mixers: These machines use cutting knives mounted on vertically rotating augers together with counter-knives positioned on the mixing chamber. This configuration allows the mixer not only to blend feed ingredients but also to cut and process long-fiber forage during mixing. As a result, materials such as baled straw and dry hay can be loaded directly into the mixing chamber without requiring a separate pre-chopping process. Depending on mixer capacity, vertical models are available with single, twin, or triple augers. As the number of augers and mixer volume increase, the power requirement generally increases accordingly.
Horizontal Auger Feed Mixers: Horizontal feed mixers typically operate with two augers rotating along a horizontal axis. Their configuration can provide a lower power requirement per cubic meter (m³) of mixing capacity and shorter mixing cycles, making them particularly suitable for operations where tractor power is limited. Their lower overall machine profile can also be advantageous in barns with restricted doorway or ceiling heights. Horizontal auger mixers are especially well suited to operations using pre-chopped feed ingredients or rations with a relatively high moisture content.
What Factors Should Be Considered When Selecting a Feed Mixer?
Capacity (m³) | Feed mixer capacity should not be selected based solely on the number of animals in the herd. When a mixer is operated significantly below its nominal capacity, the feed ingredients may not circulate properly within the mixing chamber, making it difficult to achieve the required mixing uniformity. Conversely, overloading the mixer can restrict material movement and negatively affect ration consistency. For this reason, mixer capacity should be selected according to the minimum and maximum recommended filling levels specified by the manufacturer. Operating within the recommended loading range helps ensure adequate material circulation and consistent mixing performance. Several operational factors should also be considered when determining the appropriate capacity, including the number of feeding groups, the number of feeding cycles per day, and the projected herd growth over the next three to five years. Considering these factors helps ensure that the selected mixer can meet the farm’s current feeding requirements while providing sufficient capacity for future expansion. |
Power and Torque Requirements: | Selecting the appropriate tractor power (HP) for each feed mixer model is a key factor in ensuring efficient and reliable operation. The tractor’s Power Take-Off (PTO) speed must also be compatible with the machine’s specifications, whether 540, 540E, or 1,000 rpm. The required tractor power should not be determined solely on the basis of average operating conditions. Instead, it should account for the most demanding operating conditions the machine is likely to encounter. One example is the starting torque required when the mixing chamber is fully loaded with dry, long-fiber forage. Insufficient tractor power can increase mixing time and reduce ration uniformity, ultimately affecting the efficiency and consistency of the feed preparation process. |
Trailed / Self-Propelled: | The choice depends largely on the tractor fleet available on the farm and the scale of the operation. Self-propelled models provide the advantage of operating independently of a tractor, offering greater operational autonomy; however, they typically require a higher initial capital investment. |
Cutting Knife and Counter-Knife System: | Cutting knives should not be considered merely a routine maintenance component of a feed mixer; they play a direct role in determining TMR quality and ration consistency. As the cutting edges wear and lose sharpness, feed particle length and size can increase, requiring longer mixing times to achieve the desired level of uniformity. Worn knives may also increase the animal’s ability to sort the ration and selectively consume individual ingredients, rather than consuming the TMR in the proportions originally formulated. Maintaining effective cutting performance is therefore important for preserving particle-size consistency, ration homogeneity, and feeding accuracy. |
Weighing System: | The weighing system is essential for verifying that each ration ingredient is loaded at the specified target weight according to the formulated feeding program. Accurate weighing helps maintain the intended ingredient proportions, improving ration formulation accuracy, batch-to-batch consistency, and overall feeding precision. |
Feed Discharge System: | When selecting a feed discharge system, several operational factors should be considered, including discharge direction, discharge height, and feed discharge rate. The discharge line may also be equipped with a magnetic metal separator designed to capture ferrous metal contaminants before the ration is delivered to the feeding area. |
Key Factors to Consider Before Purchasing a Feed Mixer
Beyond technical specifications, purchasing a feed mixer should involve evaluating long-term operating costs, serviceability, and overall investment value—not simply the initial purchase price. Before making a decision, consider the following practical factors:
Check spare parts availability and after-sales support in your region: Feed mixers operate daily rather than seasonally, making machine uptime particularly important in livestock operations. Before purchasing, check the location of the nearest authorized service center, expected service response times, and availability of essential spare parts. Many maintenance-related issues can be managed throughout the machine’s service life; however, selecting an unsuitable mixer capacity can create a fundamental limitation that is difficult to correct later.
Understand what the warranty covers and which components are classified as wear parts: Review the warranty conditions carefully, particularly for cutting knives, counter-knives, and wear plates. These components are generally classified as wear parts, meaning deterioration resulting from normal operation is typically excluded from warranty coverage. At the same time, verify the warranty coverage for manufacturing or material defects affecting major components such as the mixer body, chassis, gearbox, and drive system.
Learn from farms operating under conditions similar to yours: Technical specifications provide important information, but field experience can offer additional insight into long-term machine performance. Look for operators with a similar herd size, ration composition, production capacity, and operating conditions, and evaluate their experience after extended use. Experiences from Çelikel machine operators can also be explored through our latest catalogs and videos available on our YouTube channel.
Consider resale value as part of the investment: Agricultural machinery is a long-term capital investment. Before purchasing, evaluate the model’s used-market value and demand in the second-hand machinery market. Strong residual value can become particularly important when upgrading to a larger model or expanding the farm’s production capacity in the future.
Choose the Right Feed Mixer for Your Farm
Selecting the right feed mixer involves more than choosing a suitable capacity. Herd size, ration composition, available tractor power, mixing technology, daily operating conditions, and future expansion plans should all be considered together.
The Çelikel Brassus range of feed mixers is designed to meet the requirements of different livestock operations while supporting efficient mixing and consistent ration preparation.
If you are unsure which model or capacity best suits your operation, contact the Çelikel team and provide information such as your herd size, ration composition, and available tractor power. Our specialists can help assess these parameters and identify the configuration that best matches your operational requirements.
Contact us to learn more about Brassus feed mixers and determine the right model and configuration for your farm.
To view the minimum tractor power requirements for each model:
Feed Mixer Prices
Feed mixer prices vary depending on several technical and configuration factors, including mixer capacity, mixing system, drive configuration, weighing system, and optional equipment. As a general reference, the following approximate price ranges can be used to provide an initial indication of investment levels:
Small-Capacity Trailed Models (without weighing system): €1,000–€2,000
Medium-Capacity Trailed Models (with weighing system): €5,000–€10,000
Large-Capacity Trailed Models (with weighing system): €25,000–€50,000
These figures are indicative price ranges and may vary depending on the machine specifications, capacity, configuration, and optional equipment selected. For an accurate quotation based on your farm’s feeding requirements and operating conditions, contact the Çelikel team to determine the most suitable model, capacity, and equipment configuration.
These prices are indicative and based on standard equipment configurations. Final pricing may vary depending on the machine specifications and optional equipment selected.
To determine the feed mixer model and configuration best suited to your farm’s requirements, contact Çelikel Customer Service or our specialized sales team for further technical information and a quotation tailored to your operational needs.
Frequently Asked Questions
1- What Is the Right Feed Mixer Capacity (m³), and How Is It Calculated?
The appropriate mixer capacity cannot be determined based on herd size alone. If a feed mixer is loaded significantly below its nominal capacity, the ration ingredients may not circulate correctly within the mixing chamber, making it difficult to achieve a uniform and homogeneous mix. Overloading can cause similar problems by restricting material movement and reducing mixing efficiency.
For this reason, the mixer should be operated within the minimum and maximum filling levels specified by the manufacturer. When determining the appropriate capacity, factors such as the number of animal feeding groups, the number of feeding cycles per day, and projected herd growth over the next three to five years should also be taken into account.
2- Which Is Better for My Farm: a Vertical or Horizontal Feed Mixer?
The choice between a vertical and horizontal feed mixer depends less on farm size and more on factors such as ration fiber characteristics, barn layout and clearance, and the available tractor power.
If your ration includes long-fiber roughage, such as baled straw or dry hay, that is loaded without pre-chopping, a vertical auger feed mixer may be the more suitable option because of its ability to process and mix longer fibrous materials. Conversely, if the ration ingredients are pre-chopped or have a relatively high moisture content, or if the barn has restricted doorway or ceiling height, a horizontal auger feed mixer may provide a more suitable configuration.
3- How Much Tractor Power (HP) Is Required to Operate a Feed Mixer?
The required tractor power for each feed mixer model is specified in the machine’s technical catalog. Tractor power should not be selected based solely on normal operating conditions; it should be sufficient for the most demanding operating conditions the mixer is expected to encounter. This includes, for example, the starting torque required when the mixing chamber is fully loaded with dry, long-fiber forage.
The tractor’s Power Take-Off (PTO) speed must also be compatible with the mixer’s specifications, whether 540, 540E, or 1,000 rpm. Insufficient tractor power can lead to longer mixing cycles and reduced ration uniformity, ultimately affecting feeding efficiency and consistency.
4- When Should Feed Mixer Knives Be Replaced, and What Is the Replacement Cost?
The service life of the cutting knives depends on factors such as ration composition, the type and physical characteristics of the feed ingredients, and daily operating hours. Cutting knives, counter-knives, and wear plates are classified as wear parts, meaning that deterioration resulting from normal operation is not covered under warranty.
Timely knife replacement is important for maintaining effective cutting and mixing performance. As cutting efficiency decreases, feed particle size and length can increase, potentially extending mixing time and reducing ration uniformity. For model-specific information regarding estimated knife service life and replacement-set costs, please contact the Çelikel sales team.
As the amount of arable land available worldwide continues to decline while population growth drives increasing demand for food, Çelikel recognizes the growing importance of agricultural mechanization and automation. Our objective is to contribute to higher agricultural productivity and more efficient use of available resources, helping producers achieve greater output while optimizing their operations.
By developing more efficient, durable, and sustainable agricultural solutions, we aim to support the evolving needs of modern agriculture and contribute to meeting society’s essential food requirements—today and in the future.
Need help selecting the right machine for your farm? Contact the Çelikel team for expert guidance on the model, capacity, and configuration best suited to your operational requirements.
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