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 6.19
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -6.61 -0.441 2.92
Fertility Sub Index -1.87
Calving Interval (days) 0.96 -1.459 -1.40
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.00
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price