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 5.26
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -5.22 -0.441 2.30
Fertility Sub Index 11.63
Calving Interval (days) -7.75 -1.459 11.31
Survival (%) 0.29 1.117 0.32
Calving Sub Index 2.18
Gestation Length (days) -2.37 -0.919 2.18
Beef Sub Index 0.78
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 23.47

* Based on an €80/tonne carbon price