Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 1.00
Milk (kg) 118.00 -0.014 -1.65
Fat (kg) -2.17 -0.375 0.81
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 1.21
Calving Interval (days) -0.98 -1.459 1.43
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -2.65
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index -3.59
Live WT (kg) 11.70 -0.307 -3.59
Total Carbon Sub Index -4.37

* Based on an €80/tonne carbon price