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 1.44
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.87 -0.441 0.83
Fertility Sub Index 1.12
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 3.62

* Based on an €80/tonne carbon price