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 1.73
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -1.41 -0.375 0.53
Prot (kg) -2.75 -0.441 1.21
Fertility Sub Index 3.24
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 4.75

* Based on an €80/tonne carbon price