The main field of activity of AAT is the development of specialized application technologies for poultry breeding and husbandry, for example machines for in ovo sex determination of layers, grading and vaccination devices for broiler breeders or technical solutions for feed and egg disinfection.

[6]  In 2022, the EW Group acquired the French layer breeding company Novogen SAS and its Dutch distribution partner Verbeek.

[7][8] In 2008, the EW Group acquired a majority stake in AquaGen, an international salmon breeding company based in Norway.

[11] The EW Group's subsidiaries operate predominantly at the beginning of the value chain in key markets within the life sciences sector.

In the 2020/2021 fiscal year, the EW Group generated 36.5% of its revenue in Europe, 31.9% in North America, 11.7% in Asia, and 19.94% in other regions worldwide.

[22] Animal welfare organizations have criticized that the breed Ross is so fast-growing that their hearts and bone structures are compromised, leading to a higher mortality, lameness and muscle disease.