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 15.23
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -15.40 -0.375 5.77
Prot (kg) -11.51 -0.441 5.08
Fertility Sub Index 8.89
Calving Interval (days) -5.66 -1.459 8.26
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.21
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 28.26

* Based on an €80/tonne carbon price