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 2.22
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -1.42 -0.375 0.53
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index -5.01
Calving Interval (days) 2.44 -1.459 -3.56
Survival (%) -1.30 1.117 -1.45
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.39
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.07 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -2.37

* Based on an €80/tonne carbon price