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 1.84
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.40 -0.375 0.52
Prot (kg) -1.01 -0.441 0.45
Fertility Sub Index 1.13
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.16
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.81

* Based on an €80/tonne carbon price