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 3.34
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index 0.24
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.52
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 5.28

* Based on an €80/tonne carbon price