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 5.71
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 4.74
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 0.85 1.117 0.95
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.84
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 11.11

* Based on an €80/tonne carbon price