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 1.69
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -0.43 -0.375 0.16
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 4.43
Calving Interval (days) -2.34 -1.459 3.41
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.06
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 14.28

* Based on an €80/tonne carbon price