Company News


At Semex, we’re focused on pursuing profitable growth and ensuring we’re structured properly in our most important markets. Brazil is one of the world’s fastest-growing markets. Therefore, we are pleased to announce the integration of Semex Brazil, its specialized A.I. center Tairana, and leading Brazilian embryo facility Cenatte into our global subsidiary network effective November 1, 2023. Additionally, we’re excited to announce that Semex Brazil’s General Manager, Nelson Ziehlsdorff, will join Semex’s Global Management Team.

“Nelson, his Brazilian Management Team, and each of these entities have always worked closely with the Semex Team and exemplify Semex’s Vision of ‘Demanding The Best,’’’ says Paul Larmer, Semex CEO. “We’re excited that Nelson will continue leading this outstanding team and will join our Global Management Team. This integration underscores our commitment to and the pursuit of establishing Semex Brazil, Tairana, and Cenatte as the industry’s leading companies in Brazil.”

Semex Brazil joins Semex Argentina, Semex Australia, Semex China, Semex Deutschland, Semex Mexico, Semex N.Z. Ltd, Semex Uruguay, Semex UK, Semex USA, and Genbank (Hungary), as Semex-owned subsidiary companies.

Semex is a leading global genetic company focused on providing its clients with solutions, innovations, and technologies that positively impact their lives and the lives of the animals on their operations and within our global community. This is Genetics for Life. For more information, please visit For more information on Semex Brazil please visit