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 1.14
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 3.22 -0.375 -1.21
Prot (kg) -0.91 -0.441 0.40
Fertility Sub Index 11.20
Calving Interval (days) -7.84 -1.459 11.44
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index 0.11
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 18.37

* Based on an €80/tonne carbon price