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 0.68
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -0.60 -0.441 0.26
Fertility Sub Index 1.81
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.64 1.117 0.72
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.58
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 10.24

* Based on an €80/tonne carbon price