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 3.60
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 7.40
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.68
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 21.82

* Based on an €80/tonne carbon price