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 7.92
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -7.97 -0.441 3.52
Fertility Sub Index 3.57
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index 0.24
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 13.75

* Based on an €80/tonne carbon price