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 1.61
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.90 -0.375 0.71
Prot (kg) 0.15 -0.441 -0.07
Fertility Sub Index 6.37
Calving Interval (days) -2.62 -1.459 3.82
Survival (%) 2.28 1.117 2.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.49
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 16.84

* Based on an €80/tonne carbon price