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 1.86
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 7.55
Calving Interval (days) -3.64 -1.459 5.31
Survival (%) 2.00 1.117 2.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.79
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.61 -0.432 0.26
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 20.55

* Based on an €80/tonne carbon price