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 1.06
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -0.85 -0.375 0.32
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 2.42
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.03
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 6.96

* Based on an €80/tonne carbon price