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 4.92
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -8.64 -0.375 3.24
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index 3.34
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.98 1.117 1.09
Calving Sub Index -1.83
Gestation Length (days) 1.99 -0.919 -1.83
Beef Sub Index -1.58
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 8.35

* Based on an €80/tonne carbon price