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 4.88
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -6.65 -0.441 2.94
Fertility Sub Index -0.75
Calving Interval (days) 0.91 -1.459 -1.33
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.09
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.07 -0.432 -1.76
Maintenance Sub Index Maint. Sub Index -0.03
Live WT (kg) 0.10 -0.307 -0.03
Total Carbon Sub Index 5.02

* Based on an €80/tonne carbon price