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 2.85
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -1.03 -0.441 0.45
Fertility Sub Index -0.73
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) 1.12 1.117 1.25
Calving Sub Index -0.72
Gestation Length (days) 0.78 -0.919 -0.72
Beef Sub Index -1.17
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 6.02 -0.432 -2.60
Maintenance Sub Index Maint. Sub Index 5.18
Live WT (kg) -16.90 -0.307 5.18
Total Carbon Sub Index 5.41

* Based on an €80/tonne carbon price