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 3.78
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -4.12 -0.441 1.82
Fertility Sub Index 4.64
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -1.39
Gestation Length (days) 1.51 -0.919 -1.39
Beef Sub Index 1.13
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -1.28 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 10.06

* Based on an €80/tonne carbon price