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 4.13
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -3.70 -0.441 1.63
Fertility Sub Index 5.18
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 1.24 1.117 1.39
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 1.04
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 15.31

* Based on an €80/tonne carbon price