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 18.25
Milk (kg) -553.00 -0.014 7.74
Fat (kg) -11.37 -0.375 4.26
Prot (kg) -14.16 -0.441 6.25
Fertility Sub Index 6.08
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.79 1.117 0.88
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 2.50
Carcass Weight (kg) -11.00 -0.528 5.80
Age of Slaughter (days) 7.66 -0.432 -3.31
Maintenance Sub Index Maint. Sub Index 12.26
Live WT (kg) -40.00 -0.307 12.26
Total Carbon Sub Index 40.24

* Based on an €80/tonne carbon price