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 5.77
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.59 -0.375 1.34
Prot (kg) -5.43 -0.441 2.40
Fertility Sub Index 1.52
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.38
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) -2.47 -0.432 1.07
Maintenance Sub Index Maint. Sub Index -0.67
Live WT (kg) 2.20 -0.307 -0.67
Total Carbon Sub Index 7.56

* Based on an €80/tonne carbon price