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 1.21
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -0.57 -0.375 0.21
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index -0.81
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) 0.99 1.117 1.11
Calving Sub Index -1.00
Gestation Length (days) 1.09 -0.919 -1.00
Beef Sub Index -0.63
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.74 -0.432 -2.48
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price