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 19.25
Milk (kg) -426.00 -0.014 5.96
Fat (kg) -19.20 -0.375 7.19
Prot (kg) -13.81 -0.441 6.10
Fertility Sub Index 5.59
Calving Interval (days) -3.41 -1.459 4.98
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 2.07
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 31.61

* Based on an €80/tonne carbon price