Please click on the link below to view the 2020 Beef Sire catalogue. If you would like a hard copy, please email us at admin.nz@stgen.com or contact your Breeding Consultant. Download by clicking here

2020 Beef Catalogue


The Gold Standard in Sexed Semen – Ask for it by name!  

Sexed Ultra 4M





Combine Genomic Testing and SexedULTRA 4M high fertility semen

Genomic Testing



Statement from Certified Semen Services: Certified Semen Services, Inc. (CSS) sympathizes with the plight of New Zealand’s dairy producers as the Ministry of Primary Industries (MPI) acts to protect biosecurity by posting restricted notices on farms that have tested positive for Mycoplasma bovis (M.bovis). The World Organization for Animal Health […]

Certified Semen Services Statement on M.bovis


Somatic cells entering the udder do a great job in fighting infection, but in the process can damage the milk secretory cells and reduce milk yield. It is possible to calculate the resultant loss of milk based on SCC and value the loss. Tracker™ has calculated the average farm as […]

Counting the cost of Somatic Cells


  The market for A2A2 milk is growing and many farms are looking towards A2 status in search of achieving a bonus on the milk price. Click the button below to download our Technical Note with information and tips on achieving A2 status. Download Technical Note on A2

A2A2