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 8.53
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -9.32 -0.375 3.49
Prot (kg) -6.02 -0.441 2.66
Fertility Sub Index 4.75
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 0.53 1.117 0.59
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -2.80
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 12.67

* Based on an €80/tonne carbon price