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 8.70
Milk (kg) -190.00 -0.014 2.66
Fat (kg) -5.97 -0.375 2.24
Prot (kg) -8.61 -0.441 3.80
Fertility Sub Index 5.82
Calving Interval (days) -3.55 -1.459 5.18
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.42
Gestation Length (days) 1.54 -0.919 -1.42
Beef Sub Index 1.18
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 17.12

* Based on an €80/tonne carbon price