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 3.12
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -0.13 -0.375 0.05
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 3.98
Calving Interval (days) -1.81 -1.459 2.64
Survival (%) 1.20 1.117 1.34
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 0.35
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 10.96

* Based on an €80/tonne carbon price