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 3.22
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 3.02
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.78
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 8.60

* Based on an €80/tonne carbon price