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 10.77
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -9.38 -0.375 3.51
Prot (kg) -9.30 -0.441 4.10
Fertility Sub Index 6.04
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.33 1.117 0.37
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index 0.94
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) -2.05 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 18.71

* Based on an €80/tonne carbon price