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 3.16
Milk (kg) -144.00 -0.014 2.02
Fat (kg) 4.30 -0.375 -1.61
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 6.82
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 1.64 1.117 1.83
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -0.44
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 12.58

* Based on an €80/tonne carbon price