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 6.77
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -6.37 -0.375 2.39
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 3.41
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index 0.09
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 10.05

* Based on an €80/tonne carbon price