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 8.70
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -7.95 -0.375 2.98
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index -0.55
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) -0.62 1.117 -0.69
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index -0.04
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 12.65

* Based on an €80/tonne carbon price