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 3.37
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index -2.51
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index -0.60
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -1.43

* Based on an €80/tonne carbon price