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 8.81
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -8.78 -0.441 3.88
Fertility Sub Index 8.00
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 1.06 1.117 1.18
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index -0.07
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 21.63

* Based on an €80/tonne carbon price