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 2.36
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) 3.08 -0.375 -1.15
Prot (kg) -8.11 -0.441 3.58
Fertility Sub Index 2.97
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.61 1.117 0.68
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.08
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 3.90

* Based on an €80/tonne carbon price