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 0.33
Milk (kg) -34.00 -0.014 0.48
Fat (kg) 1.88 -0.375 -0.70
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 2.34
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.53
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 4.81

* Based on an €80/tonne carbon price