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 2.49
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -3.47 -0.375 1.30
Prot (kg) -0.76 -0.441 0.34
Fertility Sub Index 5.55
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.57
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 17.40

* Based on an €80/tonne carbon price