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 4.00
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -2.38 -0.375 0.89
Prot (kg) -3.01 -0.441 1.33
Fertility Sub Index 3.26
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.92
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 16.66

* Based on an €80/tonne carbon price