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 5.41
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -8.46 -0.375 3.17
Prot (kg) -1.40 -0.441 0.62
Fertility Sub Index 2.83
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) 1.32 1.117 1.47
Calving Sub Index -1.02
Gestation Length (days) 1.11 -0.919 -1.02
Beef Sub Index -3.44
Carcass Weight (kg) 5.80 -0.528 -3.06
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index -1.10
Live WT (kg) 3.60 -0.307 -1.10
Total Carbon Sub Index 2.68

* Based on an €80/tonne carbon price