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 3.99
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -0.36 -0.375 0.13
Prot (kg) -4.70 -0.441 2.07
Fertility Sub Index 0.04
Calving Interval (days) -0.14 -1.459 0.20
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.27
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 4.50

* Based on an €80/tonne carbon price