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 4.90
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index 13.30
Calving Interval (days) -7.91 -1.459 11.54
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 1.88
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 22.51

* Based on an €80/tonne carbon price