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 0.21
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -2.21 -0.375 0.83
Prot (kg) 1.03 -0.441 -0.45
Fertility Sub Index -0.52
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) 1.23 1.117 1.37
Calving Sub Index -2.28
Gestation Length (days) 2.48 -0.919 -2.28
Beef Sub Index 0.18
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 1.91

* Based on an €80/tonne carbon price