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 10.50
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -11.28 -0.375 4.23
Prot (kg) -9.39 -0.441 4.14
Fertility Sub Index 2.23
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) 2.39 1.117 2.67
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 0.26
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.69 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 13.74

* Based on an €80/tonne carbon price