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 6.12
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index 6.56
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -1.20
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 14.74

* Based on an €80/tonne carbon price