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 1.45
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -2.54 -0.375 0.95
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index 2.56
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) -0.74 1.117 -0.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.06
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -1.12 -0.432 0.48
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 6.77

* Based on an €80/tonne carbon price