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 8.81
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -8.78 -0.375 3.29
Prot (kg) -7.36 -0.441 3.25
Fertility Sub Index 0.10
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) 0.76 1.117 0.85
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.55
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price