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 4.05
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index -9.55
Calving Interval (days) 4.41 -1.459 -6.43
Survival (%) -2.79 1.117 -3.12
Calving Sub Index 1.99
Gestation Length (days) -2.16 -0.919 1.99
Beef Sub Index 0.05
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 8.92 -0.432 -3.85
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index -5.33

* Based on an €80/tonne carbon price