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 6.82
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -9.01 -0.375 3.37
Prot (kg) -5.29 -0.441 2.33
Fertility Sub Index 9.56
Calving Interval (days) -5.14 -1.459 7.50
Survival (%) 1.84 1.117 2.06
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 2.22
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -5.39 -0.432 2.33
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 16.06

* Based on an €80/tonne carbon price