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 6.23
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -6.94 -0.375 2.60
Prot (kg) -5.05 -0.441 2.23
Fertility Sub Index 4.55
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.35
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -0.31 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 13.98

* Based on an €80/tonne carbon price