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 4.20
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -3.67 -0.375 1.37
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 0.15
Calving Interval (days) 0.97 -1.459 -1.42
Survival (%) 1.40 1.117 1.56
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index -1.61
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 7.40 -0.432 -3.19
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 7.74

* Based on an €80/tonne carbon price