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 2.34
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 2.79
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index -0.07
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 6.89

* Based on an €80/tonne carbon price