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 4.87
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -3.50 -0.441 1.54
Fertility Sub Index 3.60
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 1.40
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price