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 7.45
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index -0.83
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -1.25
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 4.98 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 13.70

* Based on an €80/tonne carbon price