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 1.58
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -0.57 -0.375 0.21
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 8.62
Calving Interval (days) -4.41 -1.459 6.43
Survival (%) 1.96 1.117 2.19
Calving Sub Index 1.85
Gestation Length (days) -2.01 -0.919 1.85
Beef Sub Index -0.05
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 16.75

* Based on an €80/tonne carbon price