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 3.45
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -1.59 -0.441 0.70
Fertility Sub Index -0.67
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 1.03 1.117 1.15
Calving Sub Index -1.06
Gestation Length (days) 1.15 -0.919 -1.06
Beef Sub Index -1.23
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 5.90 -0.432 -2.55
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price