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 3.63
Milk (kg) -74.00 -0.014 1.04
Fat (kg) 0.18 -0.375 -0.07
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index -1.19
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) -0.82 1.117 -0.92
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index 0.61
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 5.14

* Based on an €80/tonne carbon price