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 21.63
Milk (kg) -757.00 -0.014 10.60
Fat (kg) -8.76 -0.375 3.28
Prot (kg) -17.57 -0.441 7.75
Fertility Sub Index -1.32
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.45 1.117 0.50
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index -1.12
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 8.58 -0.432 -3.70
Maintenance Sub Index Maint. Sub Index 8.86
Live WT (kg) -28.90 -0.307 8.86
Total Carbon Sub Index 29.02

* Based on an €80/tonne carbon price