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 0.30
Milk (kg) -84.00 -0.014 1.18
Fat (kg) 3.34 -0.375 -1.25
Prot (kg) -0.85 -0.441 0.38
Fertility Sub Index -1.42
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) 0.15 1.117 0.17
Calving Sub Index 1.70
Gestation Length (days) -1.85 -0.919 1.70
Beef Sub Index -0.12
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 2.70

* Based on an €80/tonne carbon price