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 3.22
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index 0.08
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.22
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 3.08

* Based on an €80/tonne carbon price