Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.85
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -0.72 -0.375 0.27
Prot (kg) -0.64 -0.441 0.28
Fertility Sub Index 0.99
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 3.34

* Based on an €80/tonne carbon price