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 8.09
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -7.75 -0.375 2.90
Prot (kg) -6.58 -0.441 2.90
Fertility Sub Index 1.00
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) 0.69 1.117 0.77
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.32
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.01

* Based on an €80/tonne carbon price