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 11.35
Milk (kg) -195.00 -0.014 2.73
Fat (kg) -11.18 -0.375 4.19
Prot (kg) -10.04 -0.441 4.43
Fertility Sub Index 2.35
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 1.05 1.117 1.17
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.65
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.41 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 23.34

* Based on an €80/tonne carbon price