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 3.24
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -3.41 -0.375 1.28
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index -0.03
Calving Interval (days) -0.09 -1.459 0.13
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 4.87

* Based on an €80/tonne carbon price