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 10.09
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -12.39 -0.375 4.64
Prot (kg) -7.12 -0.441 3.14
Fertility Sub Index 7.42
Calving Interval (days) -4.57 -1.459 6.67
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 2.40
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 18.85

* Based on an €80/tonne carbon price