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 5.94
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -5.28 -0.441 2.33
Fertility Sub Index 3.88
Calving Interval (days) -1.83 -1.459 2.67
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.22
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 20.23

* Based on an €80/tonne carbon price