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 6.00
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -7.49 -0.441 3.31
Fertility Sub Index 2.72
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index -0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price