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 1.14
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index -0.58
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 1.15 1.117 1.28
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index -1.45
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 7.27 -0.432 -3.14
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price