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 1.91
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -0.91 -0.375 0.34
Prot (kg) 0.12 -0.441 -0.05
Fertility Sub Index 6.92
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.28
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.53 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 18.98

* Based on an €80/tonne carbon price