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 0.99
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -1.29 -0.375 0.48
Prot (kg) -0.48 -0.441 0.21
Fertility Sub Index 2.61
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index 0.09
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.73 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price