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 3.24
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 1.36
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.37
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 4.70

* Based on an €80/tonne carbon price