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 4.28
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -4.00 -0.441 1.77
Fertility Sub Index 4.19
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 0.92 1.117 1.03
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.29 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 18.46

* Based on an €80/tonne carbon price