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 4.31
Milk (kg) -141.00 -0.014 1.97
Fat (kg) 2.19 -0.375 -0.82
Prot (kg) -7.16 -0.441 3.16
Fertility Sub Index -1.99
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index -0.81
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 0.23

* Based on an €80/tonne carbon price