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 2.00
Milk (kg) -183.00 -0.014 2.56
Fat (kg) 1.58 -0.375 -0.59
Prot (kg) -0.07 -0.441 0.03
Fertility Sub Index 3.02
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 1.78 1.117 1.99
Calving Sub Index 1.39
Gestation Length (days) -1.51 -0.919 1.39
Beef Sub Index 3.87
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 7.45
Live WT (kg) -24.30 -0.307 7.45
Total Carbon Sub Index 17.74

* Based on an €80/tonne carbon price