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 0.87
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -0.94 -0.375 0.35
Prot (kg) -0.92 -0.441 0.41
Fertility Sub Index 2.64
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 0.39 1.117 0.44
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.88
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -0.09 -0.432 0.04
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 6.80

* Based on an €80/tonne carbon price