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 4.86
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index 5.71
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.46 1.117 0.51
Calving Sub Index 2.39
Gestation Length (days) -2.60 -0.919 2.39
Beef Sub Index 2.61
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 19.61

* Based on an €80/tonne carbon price