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 3.71
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 6.97
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.34
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price