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 1.08
Milk (kg) -104.00 -0.014 1.46
Fat (kg) 2.80 -0.375 -1.05
Prot (kg) -1.53 -0.441 0.68
Fertility Sub Index 2.91
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 11.71

* Based on an €80/tonne carbon price