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 7.60
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -8.03 -0.375 3.01
Prot (kg) -6.69 -0.441 2.95
Fertility Sub Index 1.18
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -1.19
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 5.18
Live WT (kg) -16.90 -0.307 5.18
Total Carbon Sub Index 16.47

* Based on an €80/tonne carbon price