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 5.58
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -2.99 -0.375 1.12
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index 2.92
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.42 1.117 0.47
Calving Sub Index 1.60
Gestation Length (days) -1.74 -0.919 1.60
Beef Sub Index 1.18
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 6.30 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 15.75

* Based on an €80/tonne carbon price