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 3.05
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index -0.09
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.41 1.117 -0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 3.90

* Based on an €80/tonne carbon price