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 2.34
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.64 -0.375 0.99
Prot (kg) -1.94 -0.441 0.86
Fertility Sub Index 5.44
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) 1.77 1.117 1.98
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.49
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.41 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 15.25

* Based on an €80/tonne carbon price