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 -1.79
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 2.94 -0.375 -1.10
Prot (kg) 1.27 -0.441 -0.56
Fertility Sub Index 3.70
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.90 1.117 1.01
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index 1.07
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 8.78

* Based on an €80/tonne carbon price