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 3.96
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.14 -0.441 2.27
Fertility Sub Index 3.09
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.55 1.117 0.61
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index -0.30
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 8.94

* Based on an €80/tonne carbon price