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 1.21
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index -5.85
Calving Interval (days) 2.86 -1.459 -4.17
Survival (%) -1.50 1.117 -1.68
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.03
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index -3.56

* Based on an €80/tonne carbon price