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 4.67
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -5.15 -0.375 1.93
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 5.31
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 17.70

* Based on an €80/tonne carbon price