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 1.20
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -1.63 -0.375 0.61
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index 1.76
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.45
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 5.56

* Based on an €80/tonne carbon price