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 3.85
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 0.75
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 3.86

* Based on an €80/tonne carbon price