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 4.34
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -7.16 -0.375 2.68
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index 0.94
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.87
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 7.78

* Based on an €80/tonne carbon price