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 8.82
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -7.24 -0.375 2.71
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index 8.38
Calving Interval (days) -5.41 -1.459 7.89
Survival (%) 0.44 1.117 0.49
Calving Sub Index 1.74
Gestation Length (days) -1.89 -0.919 1.74
Beef Sub Index -2.89
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index -2.36
Live WT (kg) 7.70 -0.307 -2.36
Total Carbon Sub Index 13.70

* Based on an €80/tonne carbon price