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 3.56
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 3.85
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.26
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 13.61

* Based on an €80/tonne carbon price