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 6.46
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -9.19 -0.375 3.44
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index 1.89
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.91 1.117 1.02
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -3.31
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 3.15 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 5.42

* Based on an €80/tonne carbon price