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 2.47
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 2.58
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 0.56
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 8.54

* Based on an €80/tonne carbon price