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 -2.54
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 1.19 -0.375 -0.45
Prot (kg) 4.48 -0.441 -1.98
Fertility Sub Index 4.22
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.26
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 12.58

* Based on an €80/tonne carbon price