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 3.79
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -3.27 -0.375 1.22
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 7.04
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.04
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 19.84

* Based on an €80/tonne carbon price