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 0.21
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.52 -0.375 0.57
Prot (kg) 3.13 -0.441 -1.38
Fertility Sub Index 2.39
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.31
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 7.35

* Based on an €80/tonne carbon price