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 6.68
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.73 -0.375 2.15
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 6.53
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.00
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 16.36

* Based on an €80/tonne carbon price