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 1.76
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -1.00 -0.375 0.37
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 7.61
Calving Interval (days) -4.58 -1.459 6.68
Survival (%) 0.83 1.117 0.93
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.35
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 12.27

* Based on an €80/tonne carbon price