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 11.51
Milk (kg) -269.00 -0.014 3.77
Fat (kg) -11.26 -0.375 4.22
Prot (kg) -7.98 -0.441 3.52
Fertility Sub Index 6.84
Calving Interval (days) -4.87 -1.459 7.11
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index -0.40
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 20.49

* Based on an €80/tonne carbon price