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 6.08
Milk (kg) -227.00 -0.014 3.18
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index -4.58
Calving Interval (days) 2.56 -1.459 -3.74
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 0.28
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.14 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price