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 6.26
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 0.34
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -3.41
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index 2.45

* Based on an €80/tonne carbon price