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 3.23
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -3.14 -0.375 1.18
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 1.05
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 6.11

* Based on an €80/tonne carbon price