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 2.34
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -1.44 -0.375 0.54
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 5.55
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 0.73
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 11.71

* Based on an €80/tonne carbon price