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 4.85
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 3.52
Calving Interval (days) -1.94 -1.459 2.83
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 0.28
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 9.31

* Based on an €80/tonne carbon price