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 2.41
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -1.77 -0.441 0.78
Fertility Sub Index 2.49
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.78 1.117 0.87
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.79
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 8.16

* Based on an €80/tonne carbon price