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 3.88
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -3.85 -0.375 1.44
Prot (kg) -4.10 -0.441 1.81
Fertility Sub Index 7.26
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 1.21 1.117 1.35
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.62
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 16.06

* Based on an €80/tonne carbon price