World Wide Mating Service (WMS): an innovative herd selection program for your success
PanTerrea Limited
January 15, 2026
The world is changing, and modern dairy farmers are increasingly realizing that herd genetics is the key to productivity and profitability. However, it can be difficult to plan which bull is best suited for each cow. How to avoid inbreeding? Which bulls will bring the desired improvements? How to avoid getting lost in the mountains of genetic data? These questions are answered by World Wide Mating Service (WMS) - is an innovative mating program that has been trusted by progressive producers in more than 60 countries for almost half a century. WMS is a time-tested tool that helps farmers develop and implement an individual genetic plan for their herd. In this article, we will tell you why you need a WMS program, how it works, what advantages it has over traditional approaches, what factors are taken into account when evaluating a herd, and why you should contact us for its implementation.
What is a WMS program and why is it needed?
The World Wide Mating Service (WMS) is the world's most trusted cattle mating program, designed to develop your herd to the type and performance you want. Simply put, WMS helps farmers «match the right bull with the right cow» to produce the most productive and healthy offspring possible. Traditionally, many farmers select mates based on their own experience or advice from neighbors, sometimes using one bull for the entire herd. This approach can lead to random inbreeding, one-sided selection, and loss of genetic progress. Instead, a WMS is a science-based, expert system that uses the latest data and technology to systematically improve each successive generation of cows.
The WMS program has been proving its effectiveness for decades in different countries and on farms of various sizes - from family farms to large agricultural holdings. So why do progressive farmers choose WMS? Because it gives concrete results: increased milk yield and milk component content, improved health and longevity of cows, reduced risk of genetic problems, and most importantly, a clear genetic plan that guides the farm towards its goals.
The main features of the WMS program
WMS is characterized by a comprehensive approach to selection. Here are some key features of this program that make it unique and effective:
Precision breeding strategy. WMS provides strategic matching of the right bulls with the right cows to accelerate the genetic progress of your herd. In other words, each cow will receive the optimal bull partner that best suits her genetic parameters. This allows you to improve the desired characteristics of the offspring much faster than with random selection.
Individual approach to your farm. The program is tailored to your specific goals. The WMS consultant takes into account what results you want - whether it's higher milk fat, stronger legs and hooves, or better reproduction - and draws up a strategic plan that maximizes the economic return for your herd. No templates: the focus is on your farm's needs.
Risk and inbreeding management. WMS actively manages genetic risks. The program monitors the genetic diversity of the herd, avoids undesirable recessive genes and harmful haplotypes (hidden genetic abnormalities). In particular, the system analyzes the pedigree to prevent mating of closely related animals, thereby preventing productivity losses due to inbreeding.
Genetic audit of the herd. Before drawing up a plan, WMS conducts a kind of genetic audit: it analyzes the development trends of your herd, compares its performance with the benchmarks, and identifies strengths and weaknesses. Using your actual data (milk yield, milk composition, health, exterior assessments), the WMS consultant determines which breeding areas will have the greatest effect. This analysis allows you to clearly define a genetic strategy to achieve your goals.
Harnessing the power of genomic data. WMS integrates modern genomic technologies into the breeding process. If genomic testing of heifers or cows is carried out in the herd, the results will be used for pairing. Genomic information significantly improves the accuracy of the evaluation of each animal and allows for an exponential increase in genetic progress. In simple terms, the WMS computer algorithm knows things about your cows that are not visible to the naked eye and uses this knowledge to find the perfect match.
How does the WMS program work?
The process of implementing a WMS on a farm is very convenient for the farmer. It all starts with our WMS consultant getting to know your farm and herd. Detailed information is collected: cow pedigrees, production indicators (lactation, milk yield, % fat and protein), health status, and external features of each animal. Your priority breeding goals are determined (e.g., increase milk protein content, improve udder shape, reduce mastitis, etc.) Based on this data, an individual genetic profile of your herd is created.
Next, specialized WMS software comes into play. It analyzes the information received in combination with the most up-to-date data on available bulls from global genetic catalogs. Many factors are taken into account (see below). As a result, each cow is matched with the best bull for mating. Moreover, the selection is made for each animal separately, not one bull for all - this is how the principle of “the right bull for the right cow” is achieved. The program automatically excludes unacceptable combinations (relatives carrying the same recessives) and offers the best options in terms of genetic progress progress.
The result of this work is a detailed mating plan for your farm. You get clear recommendations: which bulls (and from which companies) should be used for each cow or heifer. The WMS consultant will explain this plan in detail and answer all your questions. As a result, you will have a genetic roadmap for the coming years, the implementation of which will gradually bring your herd to the desired ideal. WMS takes care of all the complex analysis - you save your time and can focus on other aspects of management while WMS experts take care of genetics.
Advantages of WMS compared to traditional methods
How is WMS better than traditional bull selection? Let's look at the main advantages of this program from the point of view of a practical farmer:
1. Controlling inbreeding and genetic defects. On conventional farms, it is often difficult to trace the pedigree of each animal back many generations. Because of this, there is a risk of accidentally mating unrelated animals, which leads to inbreeding - and inbreeding reduces milk yield, fertility, and immunity. WMS solves this problem by including detailed pedigree information for up to 10 generations. The system does not allow closely related pairs. Moreover, the program monitors undesirable recessive genes and haplotypes - hidden mutations that can cause miscarriages, genetic diseases, or stillbirths. The WMS automatically avoids mating two carriers of the same defect, protecting the herd from genetic disasters. As a result, you don't lose calves and productivity to preventable problems.
2. Accelerated genetic progress and higher productivity. Traditional bull selection is often based on only a few traits (e.g., only milk yield or only appearance), while other important traits are overlooked. WMS provides a balanced selection: dozens of traits are taken into account simultaneously. Thanks to this, you achieve an exponential increase in the genetic progress of your herd. Cows born under the WMS plan will on average have a higher milk yield and better milk quality (fat and protein content) because the selection emphasizes economically important traits related to longevity and productivity. Simply put, WMS helps to raise cows that will produce more milk in their lifetime. This directly affects the farm's profit.
3. Comprehensive improvement of all important traits. Unlike the human eye, which may not notice some shortcomings or focus on only one aspect, WMS analyzes the full range of animal characteristics. The program pays particular attention to those parameters that are traditionally difficult to improve, such as udder health, mastitis resistance, reproductive performance (fertility), and calving ease. These traits have low heritability, meaning they change slowly from generation to generation, but they are extremely important economically. WMS makes it possible to include them in the breeding program and achieve noticeable progress even with such “difficult” indicators. At the same time, the program also works with highly heritable traits, such as milk yield or fat/protein, to make progress on them as fast as possible. As a result, you get a balanced improvement in all aspects of your cow's performance and health, without bias.
4. Uniformity and manageability of the herd. With spontaneous pairing, it can turn out that you get very heterogeneous daughters: some cows are tall, others are short, some have excellent udders, others have problems, some are easy to milk, others are difficult to adapt to the milking parlor. This diversity makes herd management difficult, especially when automation is introduced. A WMS, on the other hand, strives for generational consistency - so that your heifers grow up to be uniform in key traits. This means that the whole herd will have a predictably good appearance (strong legs, correct udders), high productivity and health. A homogeneous herd is easier to manage, better suited for robotic milking or group housing, and there will be fewer “problem” cows that fall out of the system over time. Ultimately, you'll be able to maximize profit per cow and per stall because all animals will be performing at a high level.
5. Longevity and health of cows. Keeping a cow for 5-6 or more lactations is more profitable than replacing it after 2-3 lactations with a new one - you save on raising young animals and get more milk during the animal's life. Therefore, longevity is another priority for WMS. Many years of research have shown that there are a number of features that determine the length of a cow's productive life. Among them are strong hooves and legs, healthy udders, ease of calving, disease resistance, and the ability to quickly come into heat after calving. WMS is focused on improving those traits that affect longevity. Using the latest information on health, fertility, and welfare genes, the program matches cows so that your next generation of cows will be even healthier and live longer. As a result, you are less likely to cull young cows and spend less money on treatment - each animal works off the resources invested in it to the maximum.
6. Saving time and access to expertise. Keeping up with all the genetics news on your own is an incredibly difficult task. Data on bulls are updated every few months, new indicators, indices, haplotypes appear... A farmer simply does not have enough time for this. With the WMS program, you get the support of an experienced genetic consultant who always has his finger on the pulse of scientific progress. Our experts will do all the analytical work for you and offer you the best plan, so you can focus on the day-to-day business of the farm. In addition, with a clear mating plan, you will avoid many mistakes and random experiments - thus saving both time and money in the long run.
Taken together, these benefits produce impressive results. Farmers who have switched to WMS note that their young cows (obtained under the program) outperform previous generations in terms of productivity from the first lactation, have stronger legs and udders better adapted to milking equipment. The main thing is that the headache of selecting bulls and risks disappears: The WMS takes care of the complex calculations, and you get a predictable positive result in the herd.
What factors are taken into account when evaluating a herd?
In order to create the perfect mating plan, the WMS analyzes many factors for both your cows and bulls. Here are the main ones:
Origin (pedigree) and inbreeding. As mentioned, WMS deeply examines the pedigree of each cow. This is necessary to calculate the inbreeding coefficient and avoid mating related animals. All available information about the ancestors (up to 10 generations) is used by the system for safe pairing.
Recessive genes and genetic haplotypes. The program checks whether the cow carries any undesirable recessive alleles (mutations) that, when combined, lead to pathologies. If so, a bull carrying the same gene will not be matched. For example, if a cow carries a gene for a fetal malformation, WMS will only offer bulls that do not carry this gene. This way, your herd is protected from genetic diseases, and you can still use valuable carrier bulls without risking getting sick offspring.
(This paragraph can be removed, since we do not enter any performance indicators into the WMS. We only enter type (exterior) evaluation scores and milk yields. Each cow is evaluated according to its productivity: average milk yield per lactation, % of fat and protein in milk, somatic cells and other quality indicators. WMS takes this data into account to select bulls that can improve the desired performance. For example, a cow with a low protein content will be matched with a bull with a high protein transfer so that her daughters have more protein milk. Focus on economically important traits that affect profitability (milk yield, fat, protein, etc.)
Exterior (body structure) and functional traits. The WMS program takes into account the assessment of the cow's appearance: its size, udder shape and attachment, foot and hoof position, body shape, chest width and croup, etc. All these parameters affect the durability and efficiency of the cow - for example, a properly attached, voluminous udder and strong legs allow the cow to maintain high milk yields for longer. If a cow has exterior deficiencies, the program will select a bull that will compensate for these deficiencies in the offspring (this is called type-matching). Functional traits are also taken into account: calving ease, insemination ability, mastitis susceptibility, and temperament. WMS uses the latest data on animal health, fertility and welfare traits to improve them in the next generation.
Heredity of traits. The program knows which traits are easy to pass on to offspring and which are more difficult. Highly heritable traits (e.g., height, milk volume, fat content) can be improved quickly, so WMS sets high goals here. Low-heritable traits (fertility, health, longevity) are usually slower to respond to selection, but they are very important for farm economics. WMS does not ignore them, but includes them in the overall breeding program to ensure progress in these areas. Thus, the selection of bulls is based on the degree of heritability of a particular characteristic - to get the maximum possible progress in each component.
Genomic evaluations. If you have genomically evaluated heifers in your herd or use genomically tested bulls, WMS makes the most of this information. Genomic evaluation gives a more accurate picture of an animal's genetic potential than traditional breeding evaluation. So, WMS weighs the genomic scores of cows and bulls and selects the best combinations to raise the overall genetic level of the herd. The use of genomics is a step towards the future that the program is already making today.
Individual farm goals. Finally, the WMS “filter” is applied to all calculations based on your own goals. The program optimizes the selection for the priorities you set. If you want to increase the fat content of milk, this will be taken into account in each pair. You need more hardy cows for pasture - and this will be taken into account. Any of your requests (within the limits of what is possible) will be built into the breeding scheme. This individualized approach ensures that the results of the WMS are in line with your business plans and farming conditions.
Consistency and uniformity of offspring. The WMS evaluates not only each cow individually, but also the herd as a whole to ensure that future offspring are as uniform as possible. The homogeneity of the generation in terms of size, structure and productivity is very valuable because it simplifies management. Therefore, when selecting pairs, the program strives to ensure that all your future heifers have the desired minimum level for each trait and are similar in type. You will get stable results in the offspring, without surprises. It's like a conveyor belt that produces quality heifers one after the other - each one meets the standard of your “ideal cow”.
As you can see, WMS covers all aspects of genetic work with the herd. No detail is overlooked: from pedigree and DNA to udder shape and liters of milk. That's why this system is so effective - it sees the whole picture and makes optimal decisions that would be impossible for one person or traditional methods.
Why should you contact us?
Expertise and reliability. Based on the global experience of WMS (the program has been tested on millions of cows around the world) and our local experience, we offer solutions that really work. You can rest assured that your genetic plan is based on the most up-to-date data and best practices.
Individual support. We work with farms of any size - from 20 cows to 2000. We guarantee an individual approach to each client. Our consultant will visit your farm, explain all the recommendations in detail, and teach you how to use the resulting mating plan. We are always in touch for consultations on any genetics issues.
Comprehensive service. Our assistance is not limited to compiling a list of bulls. If necessary, we will help you organize the purchase or supply of semen from recommended bulls, set up an insemination accounting system, and give advice on how to raise replacement stock according to the genetic plan you have received. You will receive a comprehensive package of services - from concept to implementation.
Confidentiality and partnership. We value the trust of our customers. All information about your herd is used only to develop an optimal plan and is not shared with third parties. We view our cooperation with you as a long-term partnership where our goal is to see your success and farm performance grow through genetics.
Working with us means peace of mind and confidence in the future of your farm. We take care of the genetic planning, and you get a concrete result: improved livestock that produces more milk and causes fewer problems.
Take a step towards genetic progress today!
Ready to take your dairy herd to the next level? Don't hesitate - contact us to implement the World Wide Mating Service program! Our experts will be happy to advise you, answer all your questions and help you start the genetic transformation of your herd. Join the hundreds of successful farmers who have already appreciated the benefits of WMS and let us help you achieve your ambitious dairy business goals. Contact us today and see how WMS can turn your dreams of the perfect cow into reality!
Contact us to get an individualized genetic plan for your herd and start the journey to a new generation of productivity and profit!
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