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 8.58
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -8.09 -0.375 3.03
Prot (kg) -7.08 -0.441 3.12
Fertility Sub Index 2.92
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.78
Carcass Weight (kg) -3.45 -0.528 1.82
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -0.03
Live WT (kg) 0.10 -0.307 -0.03
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price