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 19.16
Milk (kg) -397.00 -0.014 5.56
Fat (kg) -16.13 -0.375 6.04
Prot (kg) -17.13 -0.441 7.56
Fertility Sub Index 2.40
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 0.33 1.117 0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.37
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 22.41

* Based on an €80/tonne carbon price