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 10.02
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -14.41 -0.375 5.40
Prot (kg) -7.83 -0.441 3.46
Fertility Sub Index 4.52
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 0.30 1.117 0.34
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index 1.17
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 20.71

* Based on an €80/tonne carbon price