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 3.84
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index 6.37
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index -0.28
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 13.86

* Based on an €80/tonne carbon price