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 8.33
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -4.93 -0.375 1.85
Prot (kg) -7.62 -0.441 3.36
Fertility Sub Index -1.51
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 0.01 1.117 0.01
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 1.23
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 10.59

* Based on an €80/tonne carbon price