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 4.00
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -6.20 -0.441 2.74
Fertility Sub Index -2.08
Calving Interval (days) 1.19 -1.459 -1.74
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.45
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index -0.55
Live WT (kg) 1.80 -0.307 -0.55
Total Carbon Sub Index 2.10

* Based on an €80/tonne carbon price