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 2.84
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.27 -0.375 0.48
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 0.14
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) -0.12 1.117 -0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 4.85

* Based on an €80/tonne carbon price