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 8.56
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -8.15 -0.375 3.05
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index 3.51
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index 0.56
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index -0.61
Live WT (kg) 2.00 -0.307 -0.61
Total Carbon Sub Index 12.92

* Based on an €80/tonne carbon price