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 2.12
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index 2.22
Calving Interval (days) -1.27 -1.459 1.85
Survival (%) 0.33 1.117 0.37
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.24
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -2.73 -0.432 1.18
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 17.90

* Based on an €80/tonne carbon price