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 6.07
Milk (kg) -209.00 -0.014 2.93
Fat (kg) -3.37 -0.375 1.26
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index -0.09
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 0.52
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 7.66

* Based on an €80/tonne carbon price