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 1.04
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 0.07 -0.375 -0.03
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 3.91
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 0.03
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 8.85 -0.432 -3.82
Maintenance Sub Index Maint. Sub Index 9.35
Live WT (kg) -30.50 -0.307 9.35
Total Carbon Sub Index 15.07

* Based on an €80/tonne carbon price