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 7.79
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -7.10 -0.375 2.66
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 8.49
Calving Interval (days) -5.15 -1.459 7.51
Survival (%) 0.87 1.117 0.97
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -0.49
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 15.81

* Based on an €80/tonne carbon price