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 0.80
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -0.79 -0.375 0.30
Prot (kg) -0.86 -0.441 0.38
Fertility Sub Index 2.25
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.56
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 6.48

* Based on an €80/tonne carbon price