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 4.57
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index 1.37
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.52 1.117 0.58
Calving Sub Index 4.16
Gestation Length (days) -4.53 -0.919 4.16
Beef Sub Index 3.01
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 12.81

* Based on an €80/tonne carbon price