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 10.20
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -9.07 -0.375 3.40
Prot (kg) -9.20 -0.441 4.06
Fertility Sub Index 2.81
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.08
Gestation Length (days) 1.17 -0.919 -1.08
Beef Sub Index -2.21
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 10.83

* Based on an €80/tonne carbon price