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 1.00
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -1.06 -0.441 0.47
Fertility Sub Index 5.16
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 7.85

* Based on an €80/tonne carbon price