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 8.88
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -9.55 -0.375 3.58
Prot (kg) -7.22 -0.441 3.19
Fertility Sub Index 2.85
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index -2.15
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 11.06

* Based on an €80/tonne carbon price