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 10.60
Milk (kg) -275.00 -0.014 3.85
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -10.54 -0.441 4.65
Fertility Sub Index 9.27
Calving Interval (days) -5.73 -1.459 8.36
Survival (%) 0.81 1.117 0.90
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 3.03
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -0.54 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 24.83

* Based on an €80/tonne carbon price