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 4.39
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -4.83 -0.375 1.81
Prot (kg) -4.68 -0.441 2.07
Fertility Sub Index 6.93
Calving Interval (days) -4.01 -1.459 5.85
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index -0.03
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price