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 3.47
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -0.86 -0.375 0.32
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index 7.03
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 1.03 1.117 1.15
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index -0.27
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 13.47

* Based on an €80/tonne carbon price