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 14.62
Milk (kg) -300.00 -0.014 4.20
Fat (kg) -11.54 -0.375 4.32
Prot (kg) -13.82 -0.441 6.10
Fertility Sub Index 9.51
Calving Interval (days) -5.34 -1.459 7.79
Survival (%) 1.54 1.117 1.72
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.60
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 28.86

* Based on an €80/tonne carbon price