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 11.28
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -10.29 -0.375 3.85
Prot (kg) -9.49 -0.441 4.19
Fertility Sub Index 8.41
Calving Interval (days) -5.57 -1.459 8.13
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.98
Gestation Length (days) 1.07 -0.919 -0.98
Beef Sub Index 1.57
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.46 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 24.71

* Based on an €80/tonne carbon price