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 3.97
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -5.42 -0.375 2.03
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 3.85
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.09
Gestation Length (days) -0.10 -0.919 0.09
Beef Sub Index -1.84
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) -0.26 -0.432 0.11
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index 4.32

* Based on an €80/tonne carbon price