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 2.26
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 1.49
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.12
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 5.47

* Based on an €80/tonne carbon price