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 3.24
Milk (kg) -138.00 -0.014 1.93
Fat (kg) 0.55 -0.375 -0.21
Prot (kg) -3.43 -0.441 1.51
Fertility Sub Index 2.55
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 13.51

* Based on an €80/tonne carbon price