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 0.10
Milk (kg) -9.00 -0.014 0.13
Fat (kg) 3.70 -0.375 -1.39
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 5.01
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 0.50 1.117 0.56
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index -0.32
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 8.51

* Based on an €80/tonne carbon price