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 6.37
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -8.65 -0.375 3.24
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 7.74
Calving Interval (days) -4.96 -1.459 7.24
Survival (%) 0.45 1.117 0.50
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index 2.85
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 20.45

* Based on an €80/tonne carbon price