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 6.64
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 3.44
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -1.06
Gestation Length (days) 1.15 -0.919 -1.06
Beef Sub Index 0.05
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 11.68

* Based on an €80/tonne carbon price