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 3.22
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -1.92 -0.375 0.72
Prot (kg) -1.17 -0.441 0.52
Fertility Sub Index 5.21
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 2.61 1.117 2.92
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 1.18
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 14.73

* Based on an €80/tonne carbon price