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 1.29
Milk (kg) -140.00 -0.014 1.96
Fat (kg) 5.94 -0.375 -2.22
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index 2.01
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -1.08
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 3.47

* Based on an €80/tonne carbon price