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 2.83
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -2.23 -0.375 0.84
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index 3.16
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.32 1.117 0.36
Calving Sub Index 3.38
Gestation Length (days) -3.68 -0.919 3.38
Beef Sub Index -5.02
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index 2.22

* Based on an €80/tonne carbon price