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 5.00
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -6.77 -0.375 2.54
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 6.52
Calving Interval (days) -2.86 -1.459 4.17
Survival (%) 2.10 1.117 2.35
Calving Sub Index -1.16
Gestation Length (days) 1.26 -0.919 -1.16
Beef Sub Index -3.26
Carcass Weight (kg) 3.40 -0.528 -1.79
Age of Slaughter (days) 3.40 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 9.43

* Based on an €80/tonne carbon price