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 3.86
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 6.58
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.81 1.117 0.90
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.17
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 13.51

* Based on an €80/tonne carbon price