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 2.61
Milk (kg) -127.00 -0.014 1.78
Fat (kg) 0.80 -0.375 -0.30
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 0.51
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index -0.04
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 3.78

* Based on an €80/tonne carbon price