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 1.92
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.10 -0.375 0.41
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index 4.20
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.64 1.117 1.83
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.97
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 8.72 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 12.08

* Based on an €80/tonne carbon price