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 3.55
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 1.24
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.48 1.117 0.54
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.59
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 17.40

* Based on an €80/tonne carbon price