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 1.74
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -0.06 -0.441 0.03
Fertility Sub Index 7.43
Calving Interval (days) -3.63 -1.459 5.30
Survival (%) 1.91 1.117 2.13
Calving Sub Index 1.87
Gestation Length (days) -2.03 -0.919 1.87
Beef Sub Index 0.08
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) -3.24 -0.432 1.40
Maintenance Sub Index Maint. Sub Index -5.30
Live WT (kg) 17.30 -0.307 -5.30
Total Carbon Sub Index 5.81

* Based on an €80/tonne carbon price