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 1.65
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) 0.30 -0.375 -0.11
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index -0.46
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) -0.27 1.117 -0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index -1.16

* Based on an €80/tonne carbon price