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 7.27
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -6.47 -0.441 2.86
Fertility Sub Index 3.77
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.57 1.117 0.64
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.77
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 20.99

* Based on an €80/tonne carbon price