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 10.27
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -5.43 -0.375 2.03
Prot (kg) -13.64 -0.441 6.02
Fertility Sub Index 1.00
Calving Interval (days) -0.61 -1.459 0.89
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 12.99

* Based on an €80/tonne carbon price