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 2.23
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 1.17
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 5.41

* Based on an €80/tonne carbon price