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 1.01
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -1.00 -0.375 0.37
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index 1.20
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 3.78

* Based on an €80/tonne carbon price