Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.30
Milk (kg) -70.00 -0.014 0.98
Fat (kg) 0.18 -0.375 -0.07
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index -0.36
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 2.84

* Based on an €80/tonne carbon price