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 2.63
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.14 -0.375 0.43
Prot (kg) -1.69 -0.441 0.75
Fertility Sub Index 3.85
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index -0.12
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 10.97

* Based on an €80/tonne carbon price