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 6.14
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 6.67
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -0.14
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 15.87

* Based on an €80/tonne carbon price