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 10.56
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -11.29 -0.375 4.23
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 6.96
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 0.33 1.117 0.37
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.36
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 21.73

* Based on an €80/tonne carbon price