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 6.40
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 7.54
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.72
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 4.57 -0.432 -1.97
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 17.68

* Based on an €80/tonne carbon price