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 6.18
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -4.71 -0.375 1.76
Prot (kg) -5.50 -0.441 2.43
Fertility Sub Index 1.85
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.17
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.25 -0.432 0.54
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 20.08

* Based on an €80/tonne carbon price