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 2.58
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -2.17 -0.375 0.81
Prot (kg) -2.10 -0.441 0.93
Fertility Sub Index 5.18
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.28 1.117 1.43
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.12
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 16.77

* Based on an €80/tonne carbon price