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 22.24
Milk (kg) -328.00 -0.014 4.59
Fat (kg) -18.49 -0.375 6.93
Prot (kg) -24.29 -0.441 10.72
Fertility Sub Index 6.66
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.12
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 32.63

* Based on an €80/tonne carbon price