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 7.65
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -6.38 -0.375 2.39
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index 4.71
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.13 1.117 1.26
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.53
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -2.57 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 25.22

* Based on an €80/tonne carbon price