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 -4.27
Milk (kg) 89.00 -0.014 -1.25
Fat (kg) 1.18 -0.375 -0.44
Prot (kg) 5.86 -0.441 -2.59
Fertility Sub Index -4.38
Calving Interval (days) 2.46 -1.459 -3.59
Survival (%) -0.71 1.117 -0.79
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index -1.40
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -8.34

* Based on an €80/tonne carbon price