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 12.08
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -12.09 -0.375 4.53
Prot (kg) -13.02 -0.441 5.75
Fertility Sub Index -1.87
Calving Interval (days) 0.83 -1.459 -1.21
Survival (%) -0.59 1.117 -0.66
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.18
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.81 -0.432 -2.08
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 10.55

* Based on an €80/tonne carbon price