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 12.15
Milk (kg) -237.00 -0.014 3.32
Fat (kg) -12.54 -0.375 4.70
Prot (kg) -9.38 -0.441 4.14
Fertility Sub Index -1.73
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -2.10
Gestation Length (days) 2.28 -0.919 -2.10
Beef Sub Index -1.58
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 0.84 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 6.63

* Based on an €80/tonne carbon price