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 3.02
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index -1.60
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.70
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 5.98

* Based on an €80/tonne carbon price