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 15.30
Milk (kg) -609.00 -0.014 8.53
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -13.47 -0.441 5.95
Fertility Sub Index 7.64
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 1.94 1.117 2.17
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 1.04
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) 5.77 -0.432 -2.49
Maintenance Sub Index Maint. Sub Index 9.69
Live WT (kg) -31.60 -0.307 9.69
Total Carbon Sub Index 34.24

* Based on an €80/tonne carbon price