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 3.76
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -5.22 -0.375 1.96
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index 5.32
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.24 1.117 1.39
Calving Sub Index -1.81
Gestation Length (days) 1.97 -0.919 -1.81
Beef Sub Index -2.10
Carcass Weight (kg) 0.00 -0.528 0.00
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 9.52

* Based on an €80/tonne carbon price