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 13.51
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -14.28 -0.375 5.35
Prot (kg) -11.09 -0.441 4.89
Fertility Sub Index 3.00
Calving Interval (days) -1.91 -1.459 2.79
Survival (%) 0.19 1.117 0.21
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 26.50

* Based on an €80/tonne carbon price