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 7.23
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index 2.20
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.85
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 12.38

* Based on an €80/tonne carbon price