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 7.70
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -9.45 -0.375 3.54
Prot (kg) -6.86 -0.441 3.03
Fertility Sub Index 8.14
Calving Interval (days) -4.98 -1.459 7.27
Survival (%) 0.78 1.117 0.87
Calving Sub Index -1.16
Gestation Length (days) 1.26 -0.919 -1.16
Beef Sub Index 0.86
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 16.27

* Based on an €80/tonne carbon price