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 5.12
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 10.73
Calving Interval (days) -6.80 -1.459 9.92
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 1.35
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 21.93

* Based on an €80/tonne carbon price