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 3.56
Milk (kg) -116.00 -0.014 1.62
Fat (kg) 1.48 -0.375 -0.55
Prot (kg) -5.64 -0.441 2.49
Fertility Sub Index 1.71
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.54
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 7.82

* Based on an €80/tonne carbon price