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 4.78
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -7.64 -0.375 2.86
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 3.23
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 1.23
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.53 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price