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 -2.64
Milk (kg) -9.00 -0.014 0.13
Fat (kg) 4.57 -0.375 -1.71
Prot (kg) 2.39 -0.441 -1.05
Fertility Sub Index 8.65
Calving Interval (days) -3.78 -1.459 5.52
Survival (%) 2.81 1.117 3.14
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index -2.40
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 5.92

* Based on an €80/tonne carbon price