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 8.15
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -7.50 -0.375 2.81
Prot (kg) -7.53 -0.441 3.32
Fertility Sub Index 0.68
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 9.85

* Based on an €80/tonne carbon price