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 8.38
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -9.61 -0.375 3.60
Prot (kg) -6.87 -0.441 3.03
Fertility Sub Index 1.55
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index -0.71
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 12.90

* Based on an €80/tonne carbon price