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 4.82
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 8.16
Calving Interval (days) -3.80 -1.459 5.54
Survival (%) 2.34 1.117 2.61
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index 2.18
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -2.84 -0.432 1.23
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 18.08

* Based on an €80/tonne carbon price