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 4.11
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 4.29
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 0.77 1.117 0.86
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index -0.12
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 10.43

* Based on an €80/tonne carbon price