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 7.64
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -6.70 -0.375 2.51
Prot (kg) -6.08 -0.441 2.68
Fertility Sub Index -4.73
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -1.45 1.117 -1.62
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.58
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 5.18

* Based on an €80/tonne carbon price