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 6.36
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.83 -0.375 1.81
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index 7.27
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 2.04 1.117 2.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.99
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.34 -0.432 0.15
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 25.59

* Based on an €80/tonne carbon price