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 2.45
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -2.82 -0.375 1.06
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 2.20
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) 2.27 1.117 2.54
Calving Sub Index -1.69
Gestation Length (days) 1.84 -0.919 -1.69
Beef Sub Index -1.12
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 5.28 -0.432 -2.28
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 6.78

* Based on an €80/tonne carbon price