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 1.70
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -1.45 -0.441 0.64
Fertility Sub Index 3.22
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 1.21 1.117 1.35
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -0.66
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.81 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 12.07

* Based on an €80/tonne carbon price