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 -4.85
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) 6.90 -0.375 -2.58
Prot (kg) 4.53 -0.441 -2.00
Fertility Sub Index 5.15
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 2.21 1.117 2.47
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.38
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 11.14

* Based on an €80/tonne carbon price