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 4.38
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -2.48 -0.375 0.93
Prot (kg) -3.95 -0.441 1.74
Fertility Sub Index 2.85
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 0.88 1.117 0.98
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.49
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 18.37

* Based on an €80/tonne carbon price