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 6.11
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -5.13 -0.375 1.92
Prot (kg) -4.73 -0.441 2.09
Fertility Sub Index 4.94
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 0.16 1.117 0.18
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 2.60
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price