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 2.04
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index 2.16
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.87
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price