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 4.22
Milk (kg) -183.00 -0.014 2.56
Fat (kg) 0.58 -0.375 -0.22
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index -0.71
Calving Interval (days) 0.29 -1.459 -0.42
Survival (%) -0.26 1.117 -0.29
Calving Sub Index -0.88
Gestation Length (days) 0.96 -0.919 -0.88
Beef Sub Index 0.49
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.65 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 5.29

* Based on an €80/tonne carbon price