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 3.54
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -2.43 -0.375 0.91
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 3.47
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.08
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 10.57

* Based on an €80/tonne carbon price