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 6.57
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -6.51 -0.375 2.44
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index -1.61
Calving Interval (days) 0.67 -1.459 -0.98
Survival (%) -0.57 1.117 -0.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 5.56

* Based on an €80/tonne carbon price