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 13.30
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -19.34 -0.375 7.24
Prot (kg) -7.57 -0.441 3.34
Fertility Sub Index 2.75
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.24 1.117 0.27
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.18
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 17.53

* Based on an €80/tonne carbon price