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 13.51
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -13.22 -0.375 4.95
Prot (kg) -15.86 -0.441 7.00
Fertility Sub Index -11.33
Calving Interval (days) 5.24 -1.459 -7.65
Survival (%) -3.30 1.117 -3.69
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index -1.05
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 2.30

* Based on an €80/tonne carbon price