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 18.16
Milk (kg) -456.00 -0.014 6.38
Fat (kg) -15.28 -0.375 5.72
Prot (kg) -13.71 -0.441 6.05
Fertility Sub Index 5.21
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 1.45
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 28.36

* Based on an €80/tonne carbon price