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 7.67
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -10.31 -0.441 4.55
Fertility Sub Index 0.08
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.94
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 12.02

* Based on an €80/tonne carbon price