Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 28.14
Milk (kg) -614.00 -0.014 8.60
Fat (kg) -29.42 -0.375 11.02
Prot (kg) -19.31 -0.441 8.52
Fertility Sub Index 0.29
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 2.92
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -3.59 -0.432 1.55
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 39.36

* Based on an €80/tonne carbon price