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 2.40
Milk (kg) -88.00 -0.014 1.23
Fat (kg) 2.81 -0.375 -1.05
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 0.83
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 5.03

* Based on an €80/tonne carbon price