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 0.27
Milk (kg) -24.00 -0.014 0.34
Fat (kg) 0.86 -0.375 -0.32
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index 1.07
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.29
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 3.37

* Based on an €80/tonne carbon price