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 1.20
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -1.27 -0.375 0.48
Prot (kg) -1.62 -0.441 0.72
Fertility Sub Index -1.38
Calving Interval (days) 2.35 -1.459 -3.43
Survival (%) 1.83 1.117 2.04
Calving Sub Index 2.51
Gestation Length (days) -2.73 -0.919 2.51
Beef Sub Index -2.72
Carcass Weight (kg) 6.90 -0.528 -3.64
Age of Slaughter (days) -2.14 -0.432 0.92
Maintenance Sub Index Maint. Sub Index -5.52
Live WT (kg) 18.00 -0.307 -5.52
Total Carbon Sub Index -5.91

* Based on an €80/tonne carbon price