Now in its 17th year, the Dairy Gene Ireland programme has delivered over €200 million to Irish dairy farmers through increased genetic gain.

The aim of the programme is to provide dairy farmers with the best genetics through a coordinated progeny test programme.

A national breeding programme is essential to ensure there is a supply of top genetic bulls from a wide range of high economic breeding index (EBI) sires for farmers to choose from each year. This will allow farmers to increase profitability from breeding over time.

The success of the programme is built on the national cattle breeding data, which stores information across many traits for millions of animals as well as the collaboration of many industry stakeholders.

The programme collects data efficiently by having a direct link between the farmer and the national database.

Since the formation of the programme in 2005, it has contributed significantly to the increased rate of genetic gain in the national dairy herd.

Image source: ICBF

How it works?

Young genomic sires are put forward for the programme by the participating artificial insemination (AI) companies. These young bulls are sourced from Irish farms and are all from high genetic merit sires and dams.

Semen from these high EBI sires is distributed to participating herds in ‘packs of straws’ through sales reps and AI technicians.

Farmers who use these straws must partake in milk recording and recording high levels of data, such as insemination dates, sire details, calving surveys and to provide any health information as it becomes available on daughters of these bulls.

This ensures that these sires achieve high reliabilities in as short a time frame as possible. For most farmers, this information is already being recorded so little additional work is needed.

Benefits of the programme for farmers

The main benefits for farmers taking part in the programme include value for money and access to some of the highest EBI young sires available, thus speeding up the rate of genetic gain in their own herd.

It also gives the opportunity to be involved in a programme that is delivering real benefits for the dairy industry.

As they are the first farmers to use the highest genetic merit bulls based on genomics, these herds are of great interest to AI companies sourcing young animals for the breeding programme.

Contribution of Gene Ireland Bulls

To date, almost 850 bulls have been tested through Dairy Gene Ireland, with over 400,000 straws distributed across several thousand herds.

Bulls tested through Dairy Gene Ireland have contributed over 18,000 milk recorded daughters, achieving an average EBI reliability of 81%. The ongoing collection of data is vital for the accuracy of genetic and genomic evaluations for dairy bulls.

The information gathered by participating herds will usually form the basis of the first proof for AI bulls.

Getting an accurate first proof is essential as these sires can then be used in the genomic training population, further increasing the reliabilities of genomic proofs, as well as being identified as potential sires of the next generation of elite young bulls.

Foreign sires dominated the active bull list in the early years. Over time, sires were increasingly sourced domestically. The fact that, today, over 90% of sires tested through the programme are Irish bred, which can be seen in the graph below, is an indication to the success of Dairy Gene Ireland.

Image source: ICBF