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 8.50
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -16.11 -0.375 6.03
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 7.96
Calving Interval (days) -4.48 -1.459 6.54
Survival (%) 1.27 1.117 1.42
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index 6.22
Carcass Weight (kg) -13.20 -0.528 6.96
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 8.06
Live WT (kg) -26.30 -0.307 8.06
Total Carbon Sub Index 30.62

* Based on an €80/tonne carbon price