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 7.67
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -9.00 -0.375 3.37
Prot (kg) -4.39 -0.441 1.94
Fertility Sub Index 4.34
Calving Interval (days) -2.29 -1.459 3.34
Survival (%) 0.89 1.117 0.99
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.42
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -2.80 -0.432 1.21
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 15.74

* Based on an €80/tonne carbon price