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 8.29
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -6.61 -0.375 2.48
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 2.29
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -0.69
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.93 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 10.37

* Based on an €80/tonne carbon price