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 2.43
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -1.63 -0.441 0.72
Fertility Sub Index 2.17
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.46 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 5.40

* Based on an €80/tonne carbon price