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 3.81
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -2.63 -0.375 0.99
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index -0.30
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 3.52

* Based on an €80/tonne carbon price