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 4.17
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -3.32 -0.375 1.24
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index 2.74
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.44
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 19.02

* Based on an €80/tonne carbon price