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 -1.86
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 4.07 -0.375 -1.52
Prot (kg) 0.48 -0.441 -0.21
Fertility Sub Index 0.52
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.23
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 7.36

* Based on an €80/tonne carbon price