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 4.17
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -6.95 -0.375 2.60
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index -9.29
Calving Interval (days) 4.07 -1.459 -5.94
Survival (%) -3.00 1.117 -3.35
Calving Sub Index 1.61
Gestation Length (days) -1.75 -0.919 1.61
Beef Sub Index 0.18
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 5.21 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index -1.47

* Based on an €80/tonne carbon price